From the producers of &#39Bowling for Columbine&#39, &#39Fahrenheit 9/11&#39 and &#39Generation Iron&#39 comes &#39The Hurt Business&#39 which exa 　　From the producers of &#39Bowling for Columbine&#39, &#39Fahrenheit 9/11&#39 and &#39Generation Iron&#39 comes &#39The Hurt Business&#39 which examines the rise of mixed martial arts fighting through the eyes of today&#39s top stars. 详情