I benefited greatly from feedback on this paper at the University of Edmonton, Faculty of Law, the St. John’s International Law Workshop, and the William and Mary International Law Workshop. I would like to acknowledge very helpful comments by Chris Borgen, Danny Bradlow, Joanna Harrington, Peggy McGuiness, André Nollkaemper, Alice Ristroph, Annika Rudman, Brian Sheppard, Pierre Hughes Verdier, James Stewart, and the Seton Hall Law School faculty. Thanks to Amy Cuzzolino, Marissa Mastroianni, and Frank Ricigliani for their research assistance, and to Maja Basioli from the Seton Hall Law Library for her help.