...This spring, film producers... sent 150 digital video cameras to Iraq and invited Iraqis to tape whatever they wanted -- and then pass the cameras onto someone else. The three had no idea how the victims of first Saddam Hussein and then of the chaos that accompanied his fall would react. By the end of last month, the producers had received some 450 hours of footage, taped all over the country with some 2,000 Iraqis. The scenes in their completed film, "Voices of Iraq" (www.voicesofiraq.com), come as a shock.... But mostly, overwhelmingly, there are signs of life and optimism. Iraqis...