BAGHDAD, Iraq (AP) -- For the second time this week, U.S. soldiers fired on anti-American protesters Wednesday in the city of Fallujah; the mayor said two people were killed and 14 wounded. Defense Secretary Donald H. Rumsfeld became the first top Bush administration official to visit Iraq since Saddam Hussein's ouster. Operating out of a palace once used by Saddam, Rumsfeld told Iraqis the United States is eager to return the country to their control. "Iraq belongs to you," he said in a message taped for radio and television broadcast. "The coalition has no intention of owning or running Iraq."...