Nearly forty years after his death, rock's ultimate legend and prototype just won't go away and his influence and legacy are to be found not just in music today, but the world over. Elvis Presley has permeated the modern world in ways that are bizarre and inexplicable: a pop icon while he was alive, he has become almost a religious icon in death, a modern-day martyr crucified on the wheel of drugs, celebrity culture, junk food and sex. In Elvis Has...