He holds a Ph.D. from Harvard University. He is the author of Law’s Allure: How Law Shapes, Constrains, Saves and Kills Politics (Cambridge University Press, 2009) -- which has been awarded the C. Herman Pritchett Prize by the Law & Courts Section of the American Political Science Association for the best book published in 2009 in the field of Law & Courts -- and he is the author of Imbalance of Powers: Constitutional Interpretation and the Making of American Foreign Policy (Oxford University Press, 1997).