Michael Walzer is a professor emeritus of social science at the Institute for Advanced Study in Princeton, N.J. He is a prominent expert on just war theory and the author of Just and Unjust Wars: A Moral Argument With Historical Illustrations.

Gerard F. Powers is professor of the practice of Catholic peacebuilding at the Kroc Institute for International Peace Studies at the University of Notre Dame. He also coordinates the Catholic Peacebuilding Network, which links scholars with Catholic leaders from war-torn countries in an effort to enhance the study and practice of conflict prevention, conflict resolution […]

Robin W. Lovin is the Cary Maguire University Professor of Ethics at the Perkins School of Theology at Southern Methodist University in Dallas where he specializes in religion, politics and ethics.

David Kinsella is a professor of political science and international studies at Portland State University in Oregon. He is also the chair of the political science division of the Mark O. Hatfield School of Government. His primary areas of research the global arms trade, regional conflict, democratic peace and just war theory. He is the […]

James T. Johnson is a distinguished professor of religion at Rutgers University in New Jersey where he specializes in religious ethics, religion and society, and just war theory. He is considered one of the deans of contemporary just war theory and has written many articles and books on the topic.

Foreign Policy is a print and digital magazine that specializes in foreign policy news.

The Berkley Center for Religion, Peace & World Affairs at Georgetown University in Washington, D.C., is dedicated to the interdisciplinary study of religion, ethics, and public life.

The Council on Foreign Relations is an independent, nonpartisan membership organization, think tank and publisher dedicated to helping its members better understand the world and the foreign policy choices facing the United States and other countries.

Read an essay on how to be a spiritual Jew.