SISSELA BOK is a senior visiting fellow at the Harvard Center for Population and Development Studies. Previously, she was a professor of philosophy at Brandeis Univeristy. She is the author of Lying: Moral Choice in Private and Public Life; Secrets: On the Ethics of Concealment and Revelation; A Strategy for Peace: Human Values and the Threat of War; Alva Myrdal: A Daughter's Memoir; Mayhem: Violence as Public Entertainment; Common Values; and Exploring Happiness: From Aristotle to Brain Science. A former member of the Pulitzer Prize Board, Bok is a fellow of the American Academy of Political and Social Science.