Federalism in the United States

division of powers between national, state, tribal and local governments in the U.S.

Amicus Brief Governance, Economics Supreme Court, Regulatory Policy, Corporate Governance
May 21 2026
Amicus Brief: National Small Business United v. Bessent
By Ilya Shapiro, Trevor Burrus Read More
Amicus Brief Governance, Economics, Cities Supreme Court, Climate Change, Energy, Civil Justice
May 19 2026
Amicus Brief: Suncor Energy v. County Commissioners of Boulder County
By Ilya Shapiro Read More
Commentary Governance, Public Safety Crime Control
Nov 16 2025
The Real Problem With Trump’s National Guard Deployments
By Charles Fain Lehman Read More
Commentary Cities, Public Safety Policing, Crime Control
Oct 30 2025
When Urban Crime Requires Federal Intervention
By Rafael A. Mangual Read More
Commentary Public Safety Crime Control, Policing
Aug 12 2025
Trump Is Right That D.C. Has a Serious Crime Problem
By Charles Fain Lehman Read More
Press Release Governance Climate
Jun 24 2024
New Amicus Brief: SEC Oversteps Its Authority with New Climate Rules
Read More
Amicus Brief Governance Climate
Jun 24 2024
Amicus Brief: Iowa v. SEC
By James R. Copland, Ilya Shapiro, Tim Rosenberger Read More
Commentary Health, Governance Tax & Budget, Finance
May 10 2024
Waiving Spending Constraints
By Chris Pope Read More
Commentary Education Education, Pre K-12
Mar 05 2024
Title I Hinders State and Local Education Reform. It’s Time to Pare It Back
By Ray Domanico Read More
Amicus Brief Governance, Health
Feb 27 2024
Amicus Brief: Moyle v. United States and Idaho v. United States
By Ilya Shapiro, Tim Rosenberger Read More