Marjorie Cohn is professor emerita at Thomas Jefferson School of Law, former president of the National Lawyers Guild, deputy secretary general of the International Association of Democratic Lawyers and an advisory board member of Veterans for Peace. Cohn, who has testified at military hearings and courts-martial about the duty to disobey unlawful orders, is co-author (with Kathleen Gilberd) of Rules of Disengagement: The Politics and Honor of Military Dissent.