In the years following World War II a group of gay writers established themselves as major cultural figures in American life. Truman Capote, the enfant terrible, whose finely wrought fiction and nonfiction captured the nation's imagination. Gore Vidal, the wry, withering chronicler of politics, sex, and history. Tennessee Williams, whose powerful plays rocketed him to the top of the American theater. James Baldwin, the harrowingly perceptive novelist and...