Lewis SorleyLewis Sorley is a third-generation graduate of the United States Military Academy who also holds a Ph.D. from the Johns Hopkins University. He served in Vietnam, and in the Pentagon in the offices of Secretary of Defense James R. Schesinger and Army Chief of Staff General William C. Westmoreland. He also taught at West Point and the Army War College. He is the author of five highly-regarded works of military history.