From instant celebrity at age 23 to overweight, alcoholic loner in his 50s, Truman Capote streaked across the middle of this century on a comet of genius, self-destruction, and fame. Drawing upon hundreds of hours of interviews with Capote and with nearly everyone who knew him, and with exclusive access to personal papers, Gerald Clarke has written the definitive biography of an incomparable man and his time. "Extraordinary . . . Rich in intelligence...