Robert A. Kaster is professor of classics and the Kennedy Foundation Professor of Latin Language and Literature at Princeton University. He is the author of Emotion, Restraint, and Community in Ancient Rome, among other volumes. Martha C. Nussbaum is the Ernst Freund Distinguished Service Professor of Law and Ethics at the University of Chicago and author of Not for Profit: Why Democracy Needs the Humanities and Creating Capabilities: The Human Development Approach, among other volumes.