With al-Qaida falling away, U.S. forces in Iraq are turning their attention to another front: the Iranian border. They aim to crack down on weapon smuggling from Iran by tightening the frontier with Iraq's neighbor to the east, a U.S. commander told The Associated Press on Friday. Major General Michael Oates speaks to troops in Fort Drum, N.Y., in this 2007 file photo. With al-Qaida falling away, U.S. forces in Iraq are turning their attention to another front: the Iranian border, Oates said on Friday. ...