The AI Regulatory Commission
Needed Now
EconomicsPsychology
Cass’s Substack.
Cass Sunstein on policy, law, behavioral economics, and public reasoning.
Recent essays
30 of 37The Bizarro Code
Our World and Welcome to It
Birthright Citizenship and Reasoning by Analogy
Some Fundamental Matters in Constitutional Law
Politics and the Supreme Court
Are the Justices affected by the political party of the sitting President?
Mill, Hayek, and Liberalism
Two Routes to Freedom
Space Aliens!
On Being Blindsided About Space Aliens On Live Television
The Availability Heuristic, Universities, and Jason Arday
On the misleading effect of availability cascades
In Praise of Rep. Nancy Mace
A Fierce Advocate for Animal Welfare
The Second Bill of Rights
FDR's Vision
Aldous Huxley's 1949 Letter to George Orwell
On Complementary Nightmares
The Goldstein Effect
What Orwell Saw
Eating the Past
The Langoliers Are Out In Full Force
What is America's Creed?
Justice Gorsuch vs. Vice President Vance
Notes on Democracy
1 A few years ago, I was giving some talks in a nondemocratic country.
On Being A Conservative
Lessons from Friedrich Hayek
Who Has Rights?
AI? Dogs? Pigeons?
The Constitution Is Not a Suicide Pact
On Saving the Federal Reserve Board
Two Ways to Celebrate the USA
It is America’s 250th.
The Unitary Executive
I have a column in the NY Times on the Supreme Court’s decision, which you can find here: https://www.nytimes.com/2026/06/29/opinion/supreme-court-trump-executive-power.html
The Supreme Court and Immigration
Goodbye, Temporary Protected Status for Haitians (and Others)
AI As A Time Machine
Great Thinkers, and the Past, Brought Back to Life
Obsession
Is This The Best Movie Ever?
The Authority of Traditions
Hayek vs. Mill
1984 and Brave New World
Utopian Dystopias, Silicon Valley, and Authoritarians
On Understatement and Restraint
Hyperbole is THE WORST!
Norms Can Be More Powerful Than Law
New Data on Kids and Social Media
Narratives Move American Constitutional Law
Restoration, Redemption, Moral Growth, and Pragmatism
A Problem With the Debate Over "Viewpoint Diversity"
On Not Politicizing Everything
Politics and Culture
On Going Electric
Viewpoint Diversity
The University of Chicago Law School, 1980s: A Love Song