Danielle Allen is the UPS Foundation Professor of the School of Social Science at the Institute for Advanced Study in Princeton, New Jersey. She is author of Why Plato Wrote, The World of Prometheus, and Talking to Strangers, the last published by the University of Chicago Press. Rob Reich is associate professor of political science with courtesy appointments in the Department of Philosophy and the School of Education at Stanford University. He is coeditor of Toward a Humanist Justice and the author of Bridging Liberalism and Multiculturalism in American Education, the latter published by the University of Chicago Press.