Peter Berkowitz is the Tad and Dianne Taube Senior Fellow at the Hoover Institution at Stanford University, where he chairs the Jean Perkins Task Force on National Security and Law and cochairs the Working Group on the Virtues of a Free Society. He is the author of Constitutional Conservatism: Liberty, Self-Government, and Political Moderation (Hoover, 2013); Israel and the Struggle over the International Laws of War (Hoover, 2012); Virtue and the Making of Modern Liberalism (Princeton, 1999); and Nietzsche: The Ethics of an Immoralist (Harvard, 1995). He has edited five books of essays on American political ideas and institutions and has published hundreds of articles, essays, and reviews on many subjects for a variety of publications. He holds a JD and a PhD in political science, from Yale University; an MA in philosophy from the Hebrew University of Jerusalem; and a BA in English literature from Swarthmore College