Constitutionalism

We investigate what it means to be a constitutional people who remain tethered to the rule of law.

Latest

Birthright Citizenship Has a Long Historical Precedent

John Yoo

Constitutionalism

Apr 2, 2026

State Courts Can’t Run Foreign Policy

Suncor is also a golden opportunity for the justices to stop local officials from interfering with an industry critical to foreign and national-security policy.

John Yoo, Michael Toth

Constitutionalism

Feb 24, 2026

Supreme Court tariff ruling should end complaints that justices favor Trump

John Yoo writes on the Supreme Court’s decision on President Trump’s tariff case.

John Yoo

Constitutionalism

Feb 20, 2026

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

Constitutionalism

Dec 8, 2025

Misunderstanding Originalism

Constitutionalism

Dec 2, 2025

What’s Wrong with a Military Campaign Against the Drug Trade

John Yoo

Constitutionalism

Sep 24, 2025

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

Michael Toth

Constitutionalism

Sep 22, 2025

The Long History of Presidential Discretion

John Yoo

Constitutionalism

Sep 19, 2025

Rational Judicial Review: Constitutions as Power-sharing Agreements, Secession, and the Problem of Dred Scott

John Yoo

Constitutionalism

Sep 15, 2025

Research

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Commentary

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The “Baneful Practice of Secessions” Returns to Texas

Joseph Postell

Constitutionalism

Aug 27, 2025

Why Issues of Birthright Citizenship Are So Difficult

Robert G. Natelson

Constitutionalism

Aug 19, 2025

Making Sense of the Court's Establishment Clause Doctrine

Kevin C. Walsh

Constitutionalism

Aug 18, 2025

Civitas Conversations: Is the Court Appeasing the Trump Administration?

Jonathan H. Adler, Richard M. Reinsch II

Constitutionalism

Aug 6, 2025

States Should Protect Religious Liberty Like It Is 1993

Mark David Hall, Paul Mueller

Constitutionalism

Jul 31, 2025

Mistaking Principle for Appeasement

Jonathan H. Adler

Constitutionalism

Jul 29, 2025

Videos

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Supreme Court Ruling Intensifies Nationwide Redistricting and Gerrymandering Battle

Constitutionalism

Apr 30, 2026

4:05

Recent

The Supreme Court is Returning the Law Back to the Original Vision

Constitutionalism

Apr 30, 2026

4:00

Recent

Article II and the Growth of the American Presidency with John Yoo

Constitutionalism

Apr 27, 2026

1:22:19

Recent

Laying down the law on birthright citizenship

Constitutionalism

Apr 26, 2026

06:59

Recent

Limited Government | 2026 National Review Institute Regional Seminars

Constitutionalism

Apr 17, 2026

3:14.26

Recent

Podcasts

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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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Constitutionalism

Justice Harlan and President Trump Are Right About Birth Tourism

Courting Tyranny

The Olympus Spa, Denuded by the 9th Circuit

Separation of Powers and Our Constitutional Freedoms

Justice Alito Is the Jurist America Needed

It’s Time to Combat Abuse of Agency Guidance – Again.

SAVE America, SAVE the Senate

Birthright Citizenship Has a Long Historical Precedent

State Courts Can’t Run Foreign Policy

Supreme Court tariff ruling should end complaints that justices favor Trump

Supreme Court showdown exposes shaky case against birthright citizenship

Why State Courts Should Not Set National Energy Policy

Misunderstanding Originalism

What’s Wrong with a Military Campaign Against the Drug Trade

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

The Long History of Presidential Discretion

Rational Judicial Review: Constitutions as Power-sharing Agreements, Secession, and the Problem of Dred Scott

The “Baneful Practice of Secessions” Returns to Texas

Why Issues of Birthright Citizenship Are So Difficult

Making Sense of the Court's Establishment Clause Doctrine

Civitas Conversations: Is the Court Appeasing the Trump Administration?

States Should Protect Religious Liberty Like It Is 1993

Mistaking Principle for Appeasement

Supreme Court Ruling Intensifies Nationwide Redistricting and Gerrymandering Battle

The Supreme Court is Returning the Law Back to the Original Vision

Article II and the Growth of the American Presidency with John Yoo

Laying down the law on birthright citizenship

Limited Government | 2026 National Review Institute Regional Seminars

The Libertarian

Law Talk

Get the Civitas Outlook daily digest, plus new research and events.