 He was mentioned in a "Time" magazine article as a potential candidate for the 1968 Republican presidential nomination.Westmoreland served as Chief of Staff of the United States Army from 1968 to 1972.In 1970, as Chief of Staff, in response to the My Lai Massacre by United States Army forces (and subsequent cover up by the Army chain of command), he commissioned an army investigation that compiled a comprehensive and seminal study of leadership within the army during the Vietnam War demonstrating a severe erosion of adherence to the army's officer code of "Duty, Honor, Country".