Thanks to Michael Abramowicz, William Baude, A.J. Bellia, Stephanos Bibas, Frederic Bloom, Curtis Bradley, Mark Chenoweth, Eric Claeys, Brad Clark, Richard Epstein, Brian Fitzpatrick, Rick Garnett, Jack Goldsmith, John Harrison, John Inazu, Greg Jacob, Ashley Keller, Gary Lawson, Jason Mazzone, Tom Miles, Adam Mortara, Nelson Lund, Nicholas Quinn Rosenkranz, David Strauss, Eugene Volokh, and to workshop participants at George Mason University and the Virginia Junior Faculty Forum for comments.