Mike Tyson's climb, crash and comeback, from his difficult childhood to becoming undisputed world champion to his 1992 rape conviction and his personal struggles.Mike Tyson's climb, crash and comeback, from his difficult childhood to becoming undisputed world champion to his 1992 rape conviction and his personal struggles.Mike Tyson's climb, crash and comeback, from his difficult childhood to becoming undisputed world champion to his 1992 rape conviction and his personal struggles.