US Army's Kristofer Goldsmith, right, and director Monica Maggioni pose during the photo call for the movie Ward 54 at the 67th edition of the Venice Film Festival in Venice, Italy, Monday, Sept. 6, 2010. (AP Photo/Andrew Medichini)AP – A new documentary being shown out of competition at the Venice Film Festival explores the trauma of three U.S. war veterans who served in Iraq and how the military handled their cases.