Leon R. Kass is chairman of the President's Council on Bioethics, the Addie Clark Harding Professor in the Committee on Social Thought and the College of University of Chicago, and the Hertog Fellow at AEI. He is the author of Toward a More Natural Science: Biology and Human Affairs (Free Press, 1985) and The Hungry Soul: Eating and the Perfecting of Our Nature (Free Press, 1994). James Q. Wilson is the James A. Collins Professor of Mangaement and Public Policy Emeritus at the University of California, Los Angeles. He is the author of Crime and Human Nature (with Richard J. Herrnstein) (Simon & Schuster, 1985), Thinking about Crime (Vintage Books, 1977), On Character (AEI Press, 1991, 1995), The Moral Sense (Free Press, 1993) and Moral Judgment (Basic Books, 1997).
