SISSELA BOKis 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.