text: Gunmen Kidnap 2 Americans, Briton in Iraq BAGHDAD, Iraq - Gunmen kidnapped two Americans and a Briton from a house in an upscale Baghdad neighborhood at dawn Thursday, a brazen attack that brought to eight the number of Western civilians held hostage in Iraq.    Ten assailants in a minivan pulled up a tree-lined street in the al-Mansour district - home to many embassies and foreign companies - and snatched the three from their walled, two-story house, said Col...