Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, Army Chief of Staff Gen. George Casey Jr. and Co-president of Home Box Office Richard Plepler introduce the HBO documentary "Wartorn 1861-2010" in the Pentagon on Oct. 28, 2010. The film, produced by James Gandolfini, explores the history of Post Traumatic Stress Disorder and its impact on service members, veterans and their families throughout American history from the Civil War to the present day conflicts in Iraq and Afghanistan.