Nationwide Injunctions After CASA

11 Dec 2025 · 44 min · 25 chapters

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In short

The episode explains Trump v. Casa (June 2026), which addressed whether federal courts may issue nationwide (“universal”) injunctions. It begins with a day-one Trump executive order attempting to narrow birthright citizenship. Multiple district courts enjoined the order nationwide; the Supreme Court instead focused on the scope of relief, not the citizenship policy’s legality. In a 6-3 decision, the Court held that under the Judiciary Act of 1789 federal courts generally lack authority to grant injunctions protecting non-parties, but may issue broader relief when necessary for “complete relief” to the plaintiffs, and remanded for lower courts to assess whether universal scope is required.

Guest

Stanford Law Professor Mila Sahony, an expert in civil procedure, administrative law, federal courts, and legislation; her work is cited in Supreme Court opinions by Justices Sotomayor, Kavanaugh, and Jackson.

Key claims

nationwide injunction controversy stems from judge “super-legislator” effects and forum shopping; she argues universal injunctions are sometimes necessary for emergencies, vulnerable plaintiffs, and effective remedies.

Notable examples

vaccine mandates, immigration orders, deportations without due process, COVID vaccination requirements; historical/case examples include Pierce v. Society of Sisters and Barnett v. West Virginia, plus Ex parte Young.

Written by AI. May contain mistakes. Listen to the episode to check what was said.

Chapters

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The Controversy of Birthright Citizenship

0:19 to 1:12

Explore the contentious nature of the Trump administration's birthright citizenship order and its legal challenges.

“Since taking office, President Trump has issued over 200 executive orders on a wide range of issues.”

Understanding Universal Injunctions

1:12 to 1:29

Delve into the concept of universal injunctions and their implications for federal court power.

“This ruling is now having a complex and potentially large impact on the ongoing wave of legal challenges to Trump administration policies.”

Nationwide Injunctions: Controversies and Historical Context

1:29 to 4:24

Discuss the rise of nationwide injunctions and their historical precedent in the U.S. legal system.

“To help us better understand CASA, we welcome our guest for this special live recording, Stanford Law Professor Mila Sahony, an expert in civil procedure, administrative law, federal courts, and legislation.”

Arguments For Nationwide Injunctions

4:24 to 7:40

Examine the arguments supporting the use of nationwide injunctions in response to executive actions.

“The birthright citizenship case that you mentioned perfectly illustrates the stakes.”

Counterarguments Against Nationwide Injunctions

7:40 to 11:09

Evaluate the criticisms of nationwide injunctions and their potential drawbacks in the legal system.

“Yeah, so maybe a couple of the arguments there.”

Democratic Implications of Injunctions

11:09 to 13:22

Analyze the democratic aspects of nationwide injunctions and their role in checking executive power.

“The president is announcing a new program or the implementation of a statute and a single court judge is stopping that action nationwide.”

Overview of Trump v. Casa Case

13:22 to 14:00

Learn about the Supreme Court case Trump v. Casa and its implications regarding birthright citizenship and nationwide injunctions.

“Okay, so you're pointing out there are democratic arguments on both sides.”

Introduction to Nationwide Injunctions

14:00 to 14:40

Learn how a nationwide injunction became a key issue in a recent court case.

“Instead, it focused on this apparently unrelated issue of a nationwide injunction.”

Judicial Response to Executive Orders

14:40 to 15:30

Explore the judicial response to Trump's executive order on birthright citizenship.

“And I'll just note that those judges were not all nominated by Democratic presidents.”

Court's Decision on Injunction Scope

15:30 to 16:50

Understand the court's ruling regarding the scope of injunctions and its implications.

“of the scope of the injunctions, and it stayed them to the extent that they provided relief beyond the plaintiffs in the case.”
Show all 25 chapters

Historical Context of Injunction Powers

16:50 to 18:40

Examine the historical context underpinning the Judiciary Act of 1789 and its interpretation.

“And so if that were the case, if the lower courts found that, then the states might still be entitled to as sweeping an injunction as had previously been issued.”

Critique of Judicial Historical Analysis

18:40 to 20:40

Delve into the critiques regarding the court's historical analysis in the CASA decision.

“Instead, what the court does is it sort of looks at history after the founding and picks out particular sources from that history.”

Policy Implications of CASA Ruling

20:40 to 22:40

Discuss the policy implications of the CASA ruling on future litigation and remedies.

“But do you think it resolved any policy problems by ruling that, no, actually, courts don't have this power?”

Alternatives to Nationwide Injunctions

22:40 to 24:10

Explore the alternatives available to litigants seeking broad remedies after CASA.

“courts are now charged with engaging in this inquiry as to what makes relief complete.”

Timing of Court's Decision

24:10 to 26:35

Evaluate the timing and context of the Supreme Court's decision regarding universal injunctions.

“But I think so far there has been a lot of substitution, I think, that has occurred.”

Supreme Court's Influence on Lower Courts

26:35 to 28:00

Analyze how the Supreme Court's CASA ruling affects the relationship with lower courts.

“For all of those reasons, I think that the stakes were crisply presented here in a way that must have brought home to the court how important its decision would be.”

Lower Courts Applying CASA

28:00 to 29:36

Explore how lower courts navigate the complexities of CASA and face criticisms.

“So, you know, this is around this question in particular.”

Executive Orders and National Injunctions

29:36 to 31:04

Discuss the rise of executive orders and their implications for national injunctions.

“So that's something that I feel concerned about.”

Judicial Limits on Executive Actions

31:04 to 32:56

Understand the debate over the judiciary's role in declaring executive actions unlawful.

“does the judiciary have to declare that what the president is doing is unlawful?”

Judicial Review and Court Authority

32:56 to 34:30

Examine the tensions in judicial review and the authority of lower courts.

“And getting rid of this remedy from the judicial toolkit is a very serious thing.”

Supreme Court's Emergency Docket

34:30 to 36:29

Analyze the Supreme Court's handling of emergency applications and its implications.

“But I will say that I think one thing that the Supreme Court has been engaging in here is a kind of procedural triage.”

Originalism and Judicial Decisions

36:29 to 39:20

Discuss the selective application of originalism in judicial decisions and its impact.

“Yeah, and I just want to point out that the emergency docket is not the court's own term for this docket.”

Judicial Activism Defined

39:20 to 42:00

Explore the concept of judicial activism and its implications in legal discourse.

“that this wasn't a case of constitutional originalism because the question was the meaning of a particular statute, the 1789 Judiciary Act.”

Examining CASA and Ex Parte Young

42:00 to 42:50

Explore the implications of the CASA case and its relation to ex parte Young injunctions.

“from filing suit to enforce a law against just a single plaintiff.”

Understanding Judicial Activism

42:50 to 43:19

Delve into the concept of judicial activism and its implications in legal discussions.

“How do you think judicial activism plays into all of this?”
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Transcript

Automatic transcript. May contain errors.

0:00This is Stanford Legal, where we look at the cases, questions, conflicts, and legal stories that affect us all every day. I'm Diego Zambrano. Please subscribe or follow this feed on your favorite podcast app. Welcome to a live recording of the show.

0:18So presidents from both parties wield their power through the pen, with executive orders often driving massive shifts in policy. Since taking office, President Trump has issued over 200 executive orders on a wide range of issues. One particularly controversial order issued on day one of the new administration attempts to significantly narrow the meaning of birthright citizenship. After multiple lower courts immediately blocked the birthright citizenship order from being implemented, the Trump administration swiftly appealed to the Supreme Court. And in Trump versus Casa, the court left the issue of birthright citizenship for another day.

0:57Instead, the Supreme Court weighed in on a critical legal question. Can federal courts issue a universal injunction that constrains the government from acting against individuals or entities beyond those who brought the lawsuit? Ultimately, in a 6-3 decision, the court ran in the power of lower courts to issue universal injunctions, but did not completely abolish it. This ruling is now having a complex and potentially large impact on the ongoing wave of legal challenges to Trump administration policies. To help us better understand CASA, we welcome our guest for this special live recording, Stanford Law Professor Mila Sahony, an expert in civil procedure, administrative law, federal courts, and legislation.

1:43Her work has been cited by the Supreme Court and in many different separate opinions penned by Justice Sonia Sotomayor, Justice Brett Kavanaugh, and Justice Ketanji Brown-Jackson. And she has written extensively about the CASA case and its broader implications.

2:02Welcome, everyone. Okay, so Mila, I want to start by just asking you, what's so controversial about nationwide injunctions? And is it something that has changed recently? Do you think there's much to do about nothing here? So tell us about that. Yeah, sure. So universal injunctions have become controversial mainly because they let a single federal district judge anywhere in the country completely stop a president's policy for everyone. not just for the people who sued. So this creates an extraordinary dynamic. So imagine a district court judge in Amarillo, Texas, blocking a nationwide vaccine mandate policy, or imagine a judge in San Francisco halting a Trump immigration order across all 50 states and for everyone.

2:48What critics say is that this turns federal district court judges into effective super legislators who can veto executive branch action based on their own political views, especially because lawyers can shop around for friendly judges and friendly districts. The controversy about these orders has 100 % intensified in recent years, but the remedy itself isn't new. So in my scholarship, I've documented federal courts issuing broad injunctions that resemble these in principle since at least 1913. What has changed is the sheer volume of them. As presidential administrations faced with gridlocked Congresses have been implementing more and more policy measures through executive branch fiat, nationwide injunctions have increased in number, and they have increased in consequence, and they therefore have increased in controversy.

3:41So during the Obama and the Biden years, Republican attorney generals figured out that they could file in friendly Texas courts and shut down those president's policies nationwide. And then during Trump's first term and to date, Democratic attorney generals perfected the same strategy in California and in district courts in the First Circuit nowadays. So we went from perhaps a small number per year to dozens of such injunctions over the course of a single presidential term. I do not think this is much ado about nothing. When any federal judge can block an executive action as to everyone, it shifts power to the judiciary.

4:22That has to be acknowledged. Is that a feature or a bug? The birthright citizenship case that you mentioned perfectly illustrates the stakes. Without universal injunctions, hundreds of thousands of newborns were at risk of losing citizenship while their parents tried to find lawyers and file individual lawsuits. With universal injunctions, several district court judges were able to stop the president from implementing what he regarded as a valid policy. So this is a fundamental question about who is running the country and how quickly and effectively courts can check executive power. Yeah, I'm glad you mentioned that a lot of this may be just a reaction to executive power, right?

5:04So lots of critics say, how can courts arrogate this kind of power, really stop these presidential policies? But there's a counter argument that, look, they're reacting to the executive, increasingly governing through these kinds of broad executive orders or agency programs. And so just to continue to, before we get into the case, talk about larger questions, what do you think are the best arguments for nationwide injunctions, or at least for the courts having the power to issue nationwide injunctions? Yeah, so the best case for these injunctions rests on three practical imperatives. First of all, district courts have to be able to respond to emergency situations when administrations suddenly impose policies that drastically affect millions of people's rights.

5:53The Supreme Court cannot handle every crisis immediately. So when an executive branch starts deporting people to a prison in El Salvador without due process, or when it begins requiring that employees be vaccinated against COVID, lower courts have to be the frontline responders to those measures. The second reason is that many victims of illegal government action cannot realistically sue to protect themselves. Many people have no meaningful opportunity to join in a lawsuit for themselves, either because they're afraid of reprisal or because they simply lack access to justice. So an undocumented immigrant who's facing deportation is going to be very worried about suing the Trump administration or the Biden administration in their own name.

6:40Poor families who are losing food stamps cannot just call up the attorney that they have on retainer and ask them to sue. Workers may fear employer retaliation if they sue. So universal injunctions protect vulnerable populations who lack a meaningful way to access justice, which is a core value of our legal system. And third, courts need to have the remedial arsenal to address government power. That remedial arsenal has to be commensurate with the way that government actually works. Once somebody is deported or once a census is conducted with an illegal question or once millions of loans are forgiven, courts cannot easily undo those kinds of actions down the road.

7:25In other cases, the only workable remedy is going to be a universal remedy. So having an EPA emissions standard that applies to some factories and not their identical competitors doesn't really make sense. And a ruling that protected only, say, the plaintiff state of New Jersey from some federal regulation or some restriction doesn't really make sense either because people can just move to the state of New Jersey. Yeah, so maybe a couple of the arguments there. One is rights protection. The other one is checking executive power. To me, the most intuitive one is that what you have here is a plaintiff is suing the government, and the court is saying, you know, the government probably violated the law here.

8:10The government doesn't have the power to do this. And so what should the court say at that point? And it seems natural to say that the court can order the government to stop the illegal action. Just stop. And that has an effect on everyone. It actually seems artificial for the court to say, no, stop, but only ask to the party that filed the lawsuit. Continue violating the other 330 million people's legal right. Yeah, this is what the scholar Douglas Lacock called the simplest use of the injunction. Halt this illegal act. And that's just one very simple way to understand what a universal or a nationwide injunction is.

8:52The court has jurisdiction over the government defendant. It has subject matter jurisdiction over the case. And it's just issuing an order that says, stop breaking the law. OK, good. But now I want to kind of push on the counter arguments. There's long been this dispute about whether courts are supposed to say what the law is or whether they're just supposed to resolve the dispute in front of them. And many critics, scholars, lawyers, judges have long affirmed that the court's only role is to resolve the dispute in front of them. So it is not actually to do anything with regards to anyone else.

9:29And if you follow that thread, the court order should say, stop implementing this program or engaging in this act with regards to the plaintiff only. That's all that the court is supposed to do. And there are many critics who point out that if you have a combination of forum shopping, where litigants are picking the courts and judges that are most likely to be friendly to them, and increasing polarization where you can find the judge that is very political and likely to be friendly to your particular case, then it's easy to cherry pick and find the judge that will quickly stop a presidential program.

10:09So you can't have high polarization, forum shopping, and nationwide injunctions because they will lead to a recipe for inaction. Government won't be able to do anything. That's one argument. Another is that we have lots of other tools in the system, including class actions, and we're going to talk about that later, that are meant to do this kind of thing, to allow a big, large group of people to file a case. And this national injunction is an end run around those other tools. There's also maybe what we should call an epistemic argument that the best way for the judiciary to operate is to slow down, let issues percolate, let multiple courts deal with an issue, and then let appeals rise up and eventually you get a Supreme Court decision or a circuit court decision on an issue.

10:59And that when you have this nationwide injunction, you're short-circuiting all of that. kind of destroying the way that the judiciary operates. And so, I mean, maybe just finally, it's implicit in the other arguments. This is anti-democratic, right? The president has been elected. The president is announcing a new program or the implementation of a statute and a single court judge is stopping that action nationwide. So those are the arguments against it. I don't know if you have any reactions to that. Yeah, so I do want to acknowledge that these are serious costs, right? these injunctions do let litigants avoid the rigors of class action certification.

11:40They do depress, to a certain extent, dialogue. They do result in decisions issuing on sort of thinner records than we would have after a full trial. But the thing is, is that if they were ditched entirely, that would have really severe costs too. And I just want to just start with the last point you mentioned, just the democracy point. I mean, if a president is juicing regulatory authority out of a statute that doesn't exist, or juicing legal authority out of a statute that is in violation of the Constitution, what the court is doing is reimposing democratic checks on the president by blocking that action from going into effect.

12:23That is what democracy is, is reinforcing what the meaning of the Constitution is, applying statutory constraints. That is the democratic argument there, that these injunctions are actually democracy furthering. If you didn't have them, you would have much more of a regulatory patchwork problem. You would have disuniformity across jurisdictions. And you would still have forum shopping because individual plaintiffs and individual states would be incentivized to choose particular favorable forums as well. On top of that, you would have many, many, many lawsuits or many more lawsuits than you have currently.

13:07So instead of just having one or two or three rushed and duplicative lawsuits, you might get dozens. And then fundamentally behind it all, who's going to make people whole if ultimately the action is held unlawful? It's very hard to unspill the milk in many of these cases. Okay, so you're pointing out there are democratic arguments on both sides. And I think that's right. I might say just a rule of law point that this is actually constraining the executive power if they're engaged in an illegal act. And so you need the judiciary to have a tool like this. But now I want to move on to the actual Supreme Court case that brought this issue to the table this year.

13:48So that's Trump v. Kaza. As I mentioned, this had to do with a birthright citizenship order. The Trump administration issued this order purporting to limit birthright citizenship. And then this decision that came out in June didn't focus on the issue of birthright citizenship. Instead, it focused on this apparently unrelated issue of a nationwide injunction. Maybe just start there. How did that happen? How is it that the court was supposed to address whether the birthright citizenship order was lawful, and then it ended up addressing the question of a nationwide injunction? Yeah, so this was a day one executive order on the first day of Trump's second term.

14:27And this executive order purported to end birthright citizenship for children whose parents lack either citizenship or green card holder status. Now, this order was pretty much immediately enjoined by three different district court judges. And I'll just note that those judges were not all nominated by Democratic presidents. The Trump administration then filed these emergency applications with the Supreme Court on what you might have heard about on the shadow docket. And the Supreme Court then issued an order saying, we want to hear oral argument. We want more briefing on this. And then it addressed the question, the only question that the government raised in its day application.

15:08And that was the question of whether the injunction should be narrowed so that they would protect only the plaintiffs rather than all those affected by this executive order. So the court was not asked to, and it ultimately did not say a word about the illegality or legality of the executive order itself. Instead, when it issued its decision in June, it only addressed the issue of the scope of the injunctions, and it stayed them to the extent that they provided relief beyond the plaintiffs in the case. Okay, so we're going to talk about the emergency docket in a second. But just to try to understand what the court said in this case.

15:52And keep in mind, the court's decision is not about whether it's a good idea or not to have a nationwide injunction. It explicitly, the majority says, is not about that. It's about whether the judiciary has the power to do this, whether it is lawful to do this. And so maybe tell us about the court's holding based on that. Yeah. So the court announced in this case in Casa, Trump versus Casa, that federal courts generally lack the authority under the Judiciary Act of 1789 to issue injunctions that protect non-parties. But they left a significant qualification to that. Courts can still issue broad relief when it's necessary to provide complete relief to the actual plaintiffs.

16:37And then the courts sent the cases back down to the lower courts to figure out whether the states and the organizations might still need universal relief for their own injuries. So, for instance, it's possible that the states wouldn't be able to get complete relief without a universal injunction because of the possibility of interstate movement of people. That would create administrative chaos. And so if that were the case, if the lower courts found that, then the states might still be entitled to as sweeping an injunction as had previously been issued. And as Diego mentioned, the court totally set aside as irrelevant.

17:14It just said we refuse to consider the policy arguments in either direction. It just treated the policy arguments as beside the point. Yeah. So a lot of, you mentioned this, a lot of the court's decision is about the history. Yeah. And that's because this power to issue an injunction like this has to be grounded in the 1789 Judiciary Act, right? And so then the question is, how do we interpret that particular statute? So the court has done this in many cases. look into the history and tradition. But here, it makes sense to look at the history, given that this is where the power to issue the injunction comes from, right?

17:52And so how do you think the court approached this question of history? And I think you're a critic of it, so maybe give us your criticism. So I do have a dog in this fight. I have written about this history a lot. So Casa looks back at the history of this statute, the Judiciary Act of 1789. In my view, it performed a very, very selective and truncated historical analysis. So it claimed to be interpreting the Judiciary Act through a historical lens, but its historical analysis was actually surprisingly very, very thin. The majority barely examined American equity practice at the founding. There's essentially no citation to any founding era American law.

18:36and the treatise that it cites doesn't even speak to this question. Instead, what the court does is it sort of looks at history after the founding and picks out particular sources from that history. So the court cites cases from the 1890s. It cites one as late as 1927 to argue against universal injunctions, but it conspicuously ignores other cases from the 20th century where the Supreme Court itself issued or affirmed exactly these kinds of broad injunctions. So in my scholarship, I've shown how federal courts issued injunctions that protected non-plaintiffs from at least 1913 onwards, including the Supreme Court blocking a new federal statute that affected newspapers for everyone, not just against the plaintiffs.

19:28Other famous examples that you might remember from law school include Pierce v. Society of Sisters or Barnett versus West Virginia. But the court just simply didn't engage with that history, sort of treating it as being beyond the window of relevant time. There are other criticisms I have of the court's use of history, but they get a little more into the weeds. Good. And a lot of it is about disputes about the history, right? Ultimately, both sides disagree about what kinds of remedies were available in the founding era. And that's because in a previous case called Grupo Mexicano, the Supreme Court has said the federal courts only have the kinds of equity remedies that they had in the founding era.

20:12Or at least you need an antecedent. You need an analogous remedy that was available in 1789. So then a lot of the debate is, well, what kinds of remedies were available in 1789 or not? And the court reads the history a certain way. Mila and others read it a different way. And so there's a heated disagreement about how to read that history. And then we move on to other reasons. The court purported to also reject any policy reasons for the way it decided this. But do you think it resolved any policy problems by ruling that, no, actually, courts don't have this power? You know, not really. Not really.

20:50because what the court did is not eliminate policy problems just so much as reshuffle them into different containers. So take forum shopping, right? Throughout this discussion, we've talked about how that is the main policy problem with people seeking and obtaining these injunctions. And recall that CASA said that you can still issue a broad injunction if that broad injunction is necessary to provide complete relief to the plaintiffs. CASA also said that it wasn't touching the power of federal courts to issue what is called universal vacator, which is the setting aside or halting of a federal rule based on a statute called the Administrative Procedure Act.

21:31CASA also did not question the court's power to certify nationwide class actions, which produce decrees that are essentially identical in their consequences to the universal injunction. So think of what your incentives would be if you were a litigator. After CASA, if you're a plaintiff, you're still going to forum shop. You're just going to be forum shopping for one of these other leftover remedies. You're going to be seeking a judge who will find that complete relief requires universal scope. You're going to be searching for a judge who's going to quickly certify a nationwide class. You're going to be searching for a judge who's going to interpret the APA to allow for universal vacator.

22:12So you're just doing the same thing under different labels or through different pathways. And we could kind of walk through all of the other policy problems that people have asserted to exist with universal injunctions, conflicting injunctions, speedy litigation, lack of percolation, et cetera. All of those things can just be recreated now that CASA has been decided. On top of that, I actually think that CASA creates some new problems. courts are now charged with engaging in this inquiry as to what makes relief complete. Courts now have to grapple with what sort of remedies are indivisible in the locution that's used in these debates.

22:58And they don't have very clear guidance on that. The Casa Court itself did not really describe very lucidly what makes relief complete or what makes less than universal relief infeasible, which is another important inquiry. So that also is going to cause some issues going down the line. So it seems like you're kind of saying the court is going to have less of an effect than you think, because we still have a lot of alternatives, a lot of ways in which plaintiffs can file lawsuits that try to get broad remedies, almost like the national injunction, right? So you have class actions, which can represent thousands, hundreds of thousands of people.

23:37You have claims by states, right? So the state attorney general can file a lawsuit and get relief across the state, perhaps in some cases. And then this question of complete relief. Litigants are going to try to say, look, we need a broader injunction, almost like a national injunction, because it's necessary for complete relief. And so do you actually feel like these are going to be taken up most of what national junctions took up? Yeah, so it's something that I'm tracking very closely, and it's still early days. But I think so far there has been a lot of substitution, I think, that has occurred.

24:17We have to keep watching this, because it's only been a few months since CASA was actually decided. I want to talk about the relationship between lower courts and the Supreme Court, and that's been a major theme of the last year because the Supreme Court has, in so many cases, intervened through its emergency docket, its shadow docket, to stay lower court decisions. And I want to understand that before that, do you have any takes on why the court did this now? Why do you think the court decided this case this summer, when this issue has been percolating, so to speak, for the last decade? Yeah, it has been percolating for a while.

24:56And as late as 2017 in Trump versus IRAP, which was one of the first challenges to the first Trump administration's Muslim ban, the Supreme Court itself allowed for injunctions to remain in place that protected not just the plaintiffs, but those similarly situated to the plaintiffs. So as late as 2017, the court itself was allowing non-plaintiff protective relief to remain in effect, even though that relief wasn't necessary to provide complete relief to the plaintiffs. But it is true that in recent years, the court has had a number of opportunities to address the universal injunctions question, but a lot of them have come tied to challenges to administrative rules.

25:41So they've also included this question about what the Administrative Procedure Act allows. And I think that might have impeded the desire of the court to take up the question because the justices may not be in as much agreement on that question as they appear to have been on the question of the universal injunction simpliciter, like the raw universal injunction stripped of any APA guard. So ultimately, then, the court chose to grant it in this case or decide the issue in this case. And I have to say that I am glad that it was this case that the court chose to address the question in, in the sense that I think that this case really did make Stark the very severe potential consequences of not having an ability to give broad remedies.

26:35Because this case is about birthright citizenship, because birthright citizenship is, you know, and because citizenship is so fundamentally important, because the executive branch's action here is so far out of line of previous precedent and executive branch practice. For all of those reasons, I think that the stakes were crisply presented here in a way that must have brought home to the court how important its decision would be. So I'm glad that it considered this question in this context rather than in the context of some super boring rule that regulates financial institutions or smokestacks or something.

27:18Yeah, and you're basically focusing on the merits of the case and the stakes of the case, the implications of the case. I think there's a larger question about how the court is reacting to the Trump administration. And lots of critics have said, well, why didn't the court do this during the Biden administration? Why didn't they limit the lower courts order? My question is more, why didn't they do this a year from now, given that it is disarming lower federal courts dramatically in a very heated time? But maybe the court felt like, no, it was important to disarm federal courts because it was actually taking legitimacy away from the courts to be seen to clash with the president so much.

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27:58Now, what about the question of the relationship between the Supreme Court and the lower courts? Yeah. So, you know, this is around this question in particular. What I'm observing is that what the lower courts are doing is their best. They're doing their best to apply CASA. And the thing that's happening now is that when lower courts are issuing broad remedies through some of these other preserved pathways, you know, when they are certifying classes, when they are finding that complete relief requires universal scope, what they are often encountering is the criticism from the administration that they are circumventing CASA, that they are evading CASA, that they are flouting CASA, even though what these lower courts are doing are coloring within the lines that were drawn by CASA.

28:43So I think this is a problematic situation. It is both essential and totally commonplace for lower courts to have to work with and apply a difficult and open textured Supreme Court opinion to different factual and legal contexts, if they get accused of insubordination, if they get accused of defiance every time they reach a disliked remedy, they may hesitate to do so even though those broad remedies are justified. So one ironic thing about CASA is that it was meant to reduce, as you were just alluding to, it was meant to reduce friction between the courts and the executive branch, but it may have augmented those frictions, and it may also have created new sources of tension for intra-branch dialogue, meaning dialogue between the lower courts and the Supreme Court.

29:36So that's something that I feel concerned about. And all right, I think we're out of time, so we're going to stop there to take questions. It's a question over here. It seems like the problem is with the executive orders. What is the root, the legal justification for executive orders and so many executive orders over this period of time? I think I haven't updated my numbers, but the last time I checked, this administration was issuing executive orders at something like 10 times the rate of even the last Trump administration. So in a situation like that where you have a lot of executive orders coming out and they are not being vetted through the ordinary legal channels, as I think is also the case, it really isn't surprising that there's going to be a lot of courts issuing a lot of injunctions against those executive orders.

30:29So I think the number of executive orders explains why there are so many national injunctions, but it doesn't tell you whether it's appropriate to have any of them at all, right? Any executive orders at all. Right. Yeah. Well, either one. But you would still have a problem, even if there were a handful of national injunctions, because these are signature policies by presidents, by the Biden administration, by the Obama administration, by the Trump administration. And there would still be the question of, is that appropriate? And there's this tricky issue of if the president is engaging in unlawful acts, does the judiciary have to declare that what the president is doing is unlawful?

31:10And unfortunately, there's a lot of precedent for the idea that no, that courts cannot remedy every unlawful act. It is not the role of the court to, it cannot invent powers to remedy when the executive is violating the law. And there was a heated disagreement in this case between the majority and the dissent about that. The dissent seems to be saying that actually if the executive is violating the law, it is the role of the judiciary to say that and to declare it. And the majority is saying that's not how the judiciary operates. We have a lot of limits. Congress tells us what powers we have. And sometimes we don't have the power.

31:47There will be illegal actions that we cannot remedy. And that's hard, I think, for non-lawyers to understand, or even for any concept of the rule of law. So can I just chime in on that? So certainly there are certain areas or doctrines that block the ability of courts to give remedies for violations of rights. And you may have heard of the political questions doctrine. You may have heard of the doctrine of sovereign immunity. Both of these doctrines create situations where courts cannot actually give remedies, even if everybody agrees that there is some violation that's ongoing. However, I think it's important to distinguish that context from the situation where courts do have the power, but the power is being argued over.

32:32And I think that's what this is. And I don't think that the dissent was saying, I think you're referring to Justice Jackson's dissent, I don't think the Justice Jackson's dissent was saying courts can just freelance whatever authority they need to make the world a better place. Rather, both Justice Sotomayor and Justice Jackson were saying, what's happening here is a judgment call about how firmly rooted in our history this remedy is. It's firmly rooted enough. And getting rid of this remedy from the judicial toolkit is a very serious thing. And it ought not be done. There's authority here, and that authority sometimes is validly and properly called into use.

33:16That's what's been happening. and the Supreme Court should not restrictively read the powers of a court in equity, which have always been associated with flexibility and the capacity to adapt in a restrictive fashion. What I've found a little stunning about what we've seen in the courts in the last nine months, and in particular coming from the Supreme Court, is this insistence that judicial review is not appropriate, right? That this idea that the lower courts are exercising an authority that they don't have in exercising judicial authority strikes me as insane. And there's a clear process by which, if you disagree with the outcomes in a court, that it then goes through judicial review, from district to circuit to the Supreme Court.

34:12The Supreme Court exercises its authority and issues a reasoned opinion so you can follow that reasoning. And yet what we have seen is none of that. And then we have a Supreme Court that's lecturing lower courts about exercising judicial authority. Can you explain to me why any of that makes sense? I can't totally explain it. But I will say that I think one thing that the Supreme Court has been engaging in here is a kind of procedural triage. Like it's been taking cases that have been coming to it through the district courts and it's been saying, no, no, no, you can't do this through the Administrative Procedure Act.

34:51You gotta do it through this other court called the Court of Federal Claims. And guess what? The Court of Federal Claims can't issue injunctions. So go ahead and decide this case in the Court of Federal Claims. You can't do this to the Administrative Procedure Act. You gotta go seek habeas. and seeking habeas is its own thing. And I think doing this in order to sort of stem the tide of some of these lawsuits coming up to it quickly. And then the other question, and perhaps Diego, you have some thoughts on this, is what should be the rules for the Supreme Court when it's having to deal with these emergency applications?

35:29And the justices have been debating this back and forth, and certainly they have not come to rest on how much detail is necessary, on how much instruction is necessary when they intervene to block lower court orders. But I don't know that there's going to be a perfect solution for that that lends itself to articulation and crisp rules because the emergency docket as it is currently is very variable and it has a lot of different buckets of cases on it. And I'm not sure whether all can be decided according to the regular order. But I guess what I would suggest is that this idea of an emergency has been dramatically altered.

36:15And the court is calling things emergencies that are by no means emergencies to circumvent the natural process. And that strikes me as the biggest problem with this docket at the current moment. Yeah, and I just want to point out that the emergency docket is not the court's own term for this docket. That is the term that others have given it, but just because the Supreme Court uses this power, it doesn't mean that it itself is acknowledging that what happened below is an emergency or that the lower court's order is creating an emergency. I would just say I think it is appropriate for justices to worry that the judiciary is seen as an adversary of the president.

37:04I think justices can be appropriately concerned about that. We should not be seen. We don't want to be playing the political game. That is not our role. and they might think to the extent that we can limit or constrain our involvement in what are clearly politically charged questions, we want to do that. Because the way the judicial process works is a careful deliberation where issues percolate. Now, this is actually contrary to their intervention in the emergency docket. You could actually say, yes, but you intervening in the emergency docket goes against that. But I would say it seems to me quite appropriate, and this is true in many courts around the world, to try to shy away from being seen as the main antagonist of a recently elected president.

37:54Every court around the world wants to be out of the spotlight when that happens. However, it may be inevitable, right, if the president is engaged in illegal acts, and I think your view is the Anglo-American view, that the rule of law means courts specifically putting checks on power. And so I kind of understand both impulses without weighing in necessarily about the emergency docket question, but I think there's a legitimate fear, as I said, of being in the spotlight of the political debates. Thank you for this discussion. It's really interesting. I am troubled, not surprised, but troubled to hear that in the Casa decision, the originalism was cherry picked.

38:41I know that this has happened in other court decisions as well. And even in sometimes denials of petitions for cert by certain justices in other areas of law. And this is something that troubles me a lot because there are a lot of people who like this concept of originalism. I think it sounds sexy to lay people. And I just wanted to hear what your thoughts are in terms of, were the dissenters in the Casa case, did they talk about the cherry picking? And what can be done to kind of teach people more about that this is happening? I'll just start by clarifying, and then Mila can give you more on the arguments on the history, that this wasn't a case of constitutional originalism because the question was the meaning of a particular statute, the 1789 Judiciary Act.

39:34And so the question is, do federal courts have this power? We have to trace that power to this original statute that Congress passed giving the courts equity power. There were alternative arguments about inherent power, but those didn't go anywhere. And so then how do we interpret this statute of 1789? you could call that a kind of equity originalism because the court in a previous case, Grupo Mexicano might have been in the 90s though, in a previous case a long time ago had said the way we're gonna interpret the 1789 Judiciary Act and equitable power is by looking at whether the same remedies were available then.

40:14You could still call that a kind of originalism, I agree with you, but I just wanted to clarify the statutory versus constitutional. Yeah and And I think that also, though the court resolved the question on statutory grounds, that wasn't really how it was being argued. The government kind of conceded an oral argument. Yeah, sure, you could do this on the statute. You don't have to talk about Article III. But the arguments throughout had been Article III originalist arguments. And so the court sort of instead sort of crossed that Article III, wrote in the Judiciary Act of 1789. And I'm glad that it did that because then it makes the holding itself more limited.

40:51but it has that same originalist-ish flavor. I totally agree that the court's application of originalism has been selective and impartial. Specifically, I think it's interesting that in the whole domain of civil procedure writ large, there isn't as much originalism as there is in more politically contested domains. I actually wrote a whole article about this, if you're interested, called The Puzzle of Procedural Originalism. And it's all about how it's puzzling that there isn't very much procedural originalism and what that might suggest for the balance of the Supreme Court's originalist agenda.

41:33And one thing that really got under my skin here was the way that the court treated the plaintiff protective injunction against enforcement of a law. So there is a case called Ex Partei Young, which you might remember from your federal courts class, where the court in 1908 recognized the authority of a federal court to enjoin government officers from filing suit to enforce a law against just a single plaintiff. So notice the date of that case and how late it was. The court has no problem with, or it did not reject the ex parte Young injunction. It is okay in CASA. The court is okay in CASA with the plaintiff protective injunction.

42:21But what it doesn't like, what the court doesn't accept, is the validity of injunctions that reach beyond the plaintiffs, which developed within just a few years of the ex parte young injunction. So to me, that was the most startling discrepancy. The court has a footnote where it talks about why it regards ex parte young as acceptable. That footnote has problems of its own, but that's probably for another podcast. How do you think judicial activism plays into all of this? Yeah, so judicial activism, the way that I see it is basically, it is a phrase that people use when what they want to say is, I don't like what that court did, right?

43:06And so I myself don't use that phrase. because if I want to say that I don't like what a court did, I say I don't like what that court did and this is why. And I would encourage you to do the same. All right. Thank you all. Appreciate it. This is Stanford Legal. If you're enjoying the show, please tell a friend and leave us a rating or review on your favorite podcast app. Your feedback improves the show and helps new listeners to discover us. I'm Diego Zambrano. See you next time.

From the publisher

When a single federal judge can freeze a president’s policy nationwide, it raises big questions about checks and balances and democratic accountability. That’s one reason nationwide injunctions have become central to some of today’s most consequential legal battles—and why the Supreme Court’s recent decision in Trump v. CASA matters.

At a live recording, Stanford Legal host Diego Zambrano sat down with Professor Mila Sohoni, one of the country’s leading scholars on federal courts and administrative law, for a conversation that moved from President Trump’s day-one birthright-citizenship order to the Court’s ruling in CASA, including how lower courts are now navigating the decision’s new, but murky, constraints on nationwide injunctions.

Sohoni breaks the protection these injunctions can offer when sweeping executive actions threaten millions, the risks of empowering individual judges to halt national policy, and the incentives for strategic forum shopping in a polarized era. She also explains how CASA reins in—but doesn’t eliminate—the nationwide injunction, leaving room for broad relief through class actions, universal vacatur, and “complete relief” findings. 

The discussion sheds light on how the legal landscape is shifting after CASA, and why nationwide injunctions continue to shape major clashes between the courts and the executive branch.

Links:

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(00:00:00) The Scope of Nationwide Injunctions

(00:12:01) Epistemic and Democratic Arguments Against Nationwide Injunctions

(00:28:54) The CASA Decision

(00:29:37) Legal Basis and Impact of Executive Orders

(00:38:20) Conclusion and Audience Questions


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