Craig Summers is associate professor of psychology at Laurentian University. His articles have appeared in many journals, including The Journal of Humanistic Psychology, Ethics and Behavior, and Behavorial and Brain Sciences. Eric Markusen is professor of sociology and social work at Southwest State University, Minnesota. He is the co-author, with David Kops, of The Holocaust and Strategic Bombing: Genocide and Total War in the Twentieth Century (Westview) and with Robert Jay Lifton of The Genocidal Mentality: Nazi Holocaust and Nuclear Threat (Basic Books).