The Liberal Civil War: Fraternity and Fratricide on the Left explores the struggles and controversy of the liberal community during the early years of the Cold War. It follows the issue of collaboration with communists through the anti-Communist revivals of the McCarthy era, the Vietnam War, and the celebrated feud and lawsuit involving Lillian Hellman and Mary McCarthy. With insights provided by Arthur Schlesinger Jr., Leon Schull, and Gus Tyler, The Liberal Civil War details the internal strife and the external action of organized liberals such as labor unions and the Americans for Democratic Action while they struggled with communist paranoia in the United States.