Encouraged by widespread opposition to the conflict in Iraq, Hollywood film-makers are preparing to unleash an unprecedented wave of war movies on cinema-goers. In a notable break with the past -- where anti-war films were released several years after the conflict in question -- a whole new genre has been created even while US troops remain on the front lines of the "War on Terror." The release in the United States next month of "In the Valley of Elah", a gritty drama from Oscar-winning director Paul Haggis about the murder of an Iraq war veteran, signals the start of the...