Paul Greengrass directs this Iraq war thriller loosely based on the book \'Imperial Life in the Emerald City\' by Washington Post journalist Rajiv Chandrasekaran. Matt Damon stars as Chief Army Warrant Officer Roy Miller, a specialist soldier who joins forces with Wall Street reporter Lawrie Dayne (Amy Ryan) to expose the hotbed of covert and faulty intelligence surrounding the search for Iraq\'s cache of weapons of mass destruction. Greg Kinnear and Brendan Gleeson co-star.