On the centennial of his birth, the defining wunderkind of modern entertainment gets his due in a groundbreaking new biography of his early years--from his first forays in theater and radio to the inspiration and making of Citizen Kane. In the history of American popular culture, there is no more dramatic story--no swifter or loftier ascent to the pinnacle of success and no more tragic downfall--than that of Orson Welles. In this magisterial...