American Soldiers, at the Behest of an Iraqi Officer, Topple a Hussein Statue By JIM DWYER AJAF, Iraq, April 3 — At one end of the city, the Tomb of Ali, son-in-law of the Prophet Muhammad, occupies a place of honor that has been revered by Shiite Muslims for centuries. And dominating the four-lane boulevard approaching the holy site is a monument loathed by the Shiites for a decade: a gigantic bronze statue of Saddam Hussein on a horse, seeming to dare posterity to set its gaze on his grandeur. In a couple of hours today, a handful of American...