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Joseph Nunn is counsel in the Brennan Center’s Liberty and National Security Program. He focuses on issues surrounding the domestic activities of the U.S. military, including martial law and the Insurrection Act. His work advances policies that allow the president to respond to emergencies without sacrificing the separation of powers or Americans’ constitutional rights.

Nunn is the author of the Brennan Center report “Martial Law in the United States” (2020), and he writes and comments for media outlets and online forums such as Slate, The Hill, and Just Security.

He is a graduate of the University of Chicago Law School and Tulane University.