Civitas Outlook
Topic
Constitutionalism
Published on
Contributors
Richard Epstein
Charles C.W. Cooke
Episode 5
The Libertarian

Posse Comitatus: Trump, Troops, and the Limits of Presidential Power

About this episode

Richard Epstein analyzes Justice Breyer’s ruling on Trump’s use of federal troops in Los Angeles. They explore the Posse Comitatus Act, the limits of presidential emergency powers, and why the courts often avoid tough factual questions—raising big issues about federal vs. state authority and executive overreach.

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The Libertarian

Trump and Executive Power

Episode #2 of the The Libertarian with Richard Epstein, hosted by Charles C.W. Cooke.

EP2

Israel vs. New York Times

Episode 3 of The Libertarian with Richard Epstein and Charles C.W. Cooke.

EP3
Aug 7, 2025

Surf’s Up: Roman Law and Beach Houses

Episode 4 of The Libertarian with Richard Epstein and Charles C.W. Cooke

EP4
Aug 21, 2025

The End of Hamas? Richard Epstein on Israel’s Path Forward

Richard Epstein discusses Donald Trump’s surprise ceasefire deal between Israel and Hamas.

EP7
Oct 14, 2025

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More on

Constitutionalism

Amicus Brief: Hon. William P. Barr and Hon. Michael B. Mukasey in Support of Petitioners

Former AGs Barr and Mukasey Cite Civitas in a SCOTUS Brief

Michael Toth
Constitutionalism
Sep 22, 2025
Rational Judicial Review: Constitutions as Power-sharing Agreements, Secession, and the Problem of Dred Scott

Judicial review and originalism serve as valuable commitment mechanisms to enforce future compliance with a political bargain.

John Yoo
Constitutionalism
Sep 15, 2025
Amicus Brief: Chevron U.S.A. Inc. v. Plaquemines Parish

Civitas Research Fellow Michael Toth's work was cited in a Supreme Court brief.‍

Michael Toth
Constitutionalism
Sep 11, 2025
Epstein & Yoo: Amicus Brief in Supreme Court of Maryland

Civitas Senior Research Fellows Richard Epstein and John Yoo, alongside the Mountain States Legal Foundation, filed an amicus brief in the Supreme Court of Maryland.

Richard Epstein, John Yoo
Constitutionalism
Jul 24, 2025
Supreme Court showdown exposes shaky case against birthright citizenship

Supreme Court will hear challenges to Trump's order ending birthright citizenship, testing the 14th Amendment's guarantee for babies born in America.

Constitutionalism
Dec 10, 2025
Why State Courts Should Not Set National Energy Policy

Judges are improperly turning courts into bastions of climate activism.

Constitutionalism
Dec 8, 2025
Misunderstanding Originalism

Creating a constitutional morality is beyond the judicial power.

Constitutionalism
Dec 2, 2025
What’s Wrong with a Military Campaign Against the Drug Trade

Trump’s boat strikes against the cartels risk crossing the line between law enforcement and war.

John Yoo
Constitutionalism
Sep 24, 2025

The Libertarian

The inimitable Richard Epstein offers his unique perspective on national developments in public policy and the law.

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Law Talk

Welcome to Law Talk with Richard Epstein and John Yoo. Our show is hosted by Charles C. W. Cooke.

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Epstein: Executive Power & Authoritarianism

Constitutionalism
Sep 17, 2025
1:05

Epstein: Tim Kaine’s Misunderstanding of Natural Rights

Constitutionalism
Sep 15, 2025
1:05

Why Postliberalism Is Gaining Ground: Phillip Muñoz on America’s Founding Values

Constitutionalism
Aug 7, 2025
1:05

Richard Epstein: The Constitution, Parental Rights, and More

Constitutionalism
Jul 7, 2025
1:05

Yuval Levin on How the Constitution Unified our Nation – and Could Again

Constitutionalism
Mar 27, 2025
1:05
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Kneecapping Powell, Undermining the Rule of Law

Donald Trump and conservatives know the perils of lawfare all too well. Why subject Jerome Powell to the same thing?

John G. Malcolm, Richard Stern
Constitutionalism
Jan 15, 2026
Limiting the Federal Government

Failure to consider the sponsors’ representations of the Constitution’s meaning seriously impairs the quality of interpretation.

Constitutionalism
Jan 14, 2026
The Chief Justice's Big Idea

Chief Justice John Roberts has a potentially major idea for federal agency power.

Aaron L. Nielson
Constitutionalism
Jan 6, 2026
Congress, the President, and the Drug Boats

Lethargy in the legislature is no way to counter the executive's excess energy.

Constitutionalism
Jan 2, 2026
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