The Vietnam War during the era of President Nixon. Opposition by the American public is shown in large, nationwide protests, marches and demonstrations. Shots from an organized ‘Moratorium’ protesting the war in Washington, DC. Notable support from Senator George McGovern, Eugene McCarthy. A protest at South Vietnam Embassy in Washington, DC. Coverage of a massacre of Vietnamese citizens by U.S. troops at My Lai, and a shot of Captain Ernest M. Medina, and Lieutenant William Calley. Vietnamese corpses.