SAWFAN, Iraq — U.S. Marines hauled down giant street portraits of Saddam Hussein in a screeching pop of metal and bolts Friday, telling nervous residents of this southern Iraqi town that "Saddam is done." Milling crowds of men and boys watched as the Marines attached ropes on the front of their Jeeps to one portrait and then backed up, peeling the Iraqi leader's black-and-white metal image off a frame. Some locals briefly joined Maj. David "Bull" Gurfein in a new cheer. "Iraqis! Iraqis! Iraqis!" Gurfein yelled, pumping his fist in the air. "We wanted to send a message that Saddam...