Arthur Isak Applbaum is Adams Professor of Democratic Values at Harvard University's John F. Kennedy School of Government, where he chairs the Democracy, Politics, and Institutions faculty. He also directs the undergraduate fellowship program of Harvard's Edmond J. Safra Center for Ethics. Applbaum is the author of Ethics for Adversaries, an appraisal of the morality of roles in public and professional life. His next book will be a work of philosophical fiction for young adults.