Col. (ret.) Lawrence Wilkerson is distinguished adjunct professor of government and public policy at the College of William and Mary. He previously served as chief of staff to U.S. Secretary of State Colin Powell. During Wilkerson’s 31 years in the U.S. Army, he was a member of the faculty of the U.S. Naval War College, special assistant to General Powell when he was chairman of the Joint Chiefs of Staff, and director of the U.S. Marine Corps War College at Quantico, Virginia.