On the 40th anniversary of the official end of the Vietnam War, this program examines the war and its impact on America through the prism of interviews conducted by the iconic host of "The Dick Cavett Show," which featured thoughtful conversation and debate from all sides of the political spectrum. The program combines interviews from Cavett's shows with archival footage, network news broadcasts and audio/visual material from the National Archives to provide insight and perspective on this controversial chapter of American history.