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 Olympus Spa, Denuded by the 9th Circuit

Sarah Parshall Perry

Constitutionalism

Apr 28, 2026

Separation of Powers and Our Constitutional Freedoms

Paul J. Larkin

Constitutionalism

Apr 23, 2026

Justice Alito Is the Jurist America Needed

John G. Malcom

Constitutionalism

Apr 22, 2026

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

Aaron L. Nielson

Constitutionalism

Apr 21, 2026

SAVE America, SAVE the Senate

Constitutionalism

Apr 20, 2026

Justice Clarence Thomas, "Remarks on the 250th Anniversary of the Declaration of Independence"

Constitutionalism

Apr 20, 2026

Videos

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John Yoo: President Trump Is Trying to Restore Energy to the Executive

Constitutionalism

Feb 19, 2025