Roy Eidelson is a clinical psychologist and the president of Eidelson Consulting, where he studies, writes about, and consults on the role of psychological issues in political, organizational, and group conflict settings. He is a past president of Psychologists for Social Responsibility, former executive director of the Solomon Asch Center for Study of Ethnopolitical Conflict at the University of Pennsylvania, and a member of the Coalition for an Ethical Psychology. Roy can be reached by email at reidelson@eidelsonconsulting.com and on Twitter @royeidelson.