An audio of Ilya Somin's Just Security article, which has become more topical by the day. The title: "What Just Happened: The Invasion Executive Order and Its Dangerous Implications." Somin is a Professor at the Antonin Scalia Law School at George Mason University, the B. Kenneth Simon Chair in Constitutional Studies at the Cato Institute, and author of Free to Move: Foot Voting, Migration and Political Freedom (Oxford University Press).