Jonathan Renshon is a Ph.D. candidate in the Department of Government at Harvard University. The focus of his research lies at the intersection of the psychology of judgment and decision-making and international security. He is the author of Why Leaders Choose War: The Psychology of Prevention (Greenwood, 2006), and his work has appeared in Political Psychology, Foreign Policy Journal of Conflict Resolution. He is also a researcher in the Emotion and Decision-Making Group at the Harvard Decision Science Laboratory (http://content.ksg.harvard.edu/lernerlab/). In 2010-11, he will be a fellow at the Belfer Center for Science and International Affairs, The Miller Center of Public Affairs at the University of Virginia and the United States Institute of Peace.