When he outpointed Wladimir Klitschko, Tyson Fury sat on top of the world. But "The Gypsy King" soon discovered that being heavyweight champion wasn't all he had imagined. His own demons would prove harder to conquer than Klitschko. In the following months, Tyson drank and ate to excess, took drugs and contemplated suicide. He seemed destined for an early grave. But, with the help of his family, Fury dealt with his issues and launched a boxing comeback--after...