From the producers of 'Bowling for Columbine', 'Fahrenheit 9/11' and 'Generation Iron' comes 'The Hurt Business' w 　　From the producers of 'Bowling for Columbine', 'Fahrenheit 9/11' and 'Generation Iron' comes 'The Hurt Business' which examines the rise of mixed martial arts fighting through the eyes of today's top stars. 详情