Jerrold M. Post is Professor of Psychiatry, Political Psychology, and International Affairs at the Elliott School of International Affairs, George Washington University. His books include When Illness Strikes the Leader: The Dilemma of the Captive King.; Political Paranoia: The Psychopolitics of Hatred; Know Thy Enemy: Profiles of Adversary Leaders and Their Strategic Cultures; and The Psychological Assessment of Political Leaders, with Profiles of Saddam Hussein and Bill Clinton. He received the Nevitt Sanford Award of the International Society of Political Psychology for Distinguished Professional Contributions to Political Psychology in 2002. Alexander George is Graham Stuart Professor of International Relations, Emeritus, at Stanford University.