BAGHDAD, Iraq - Three U.S. soldiers were wounded when a roadside bomb exploded near a U.S. military convoy west of Baghdad, and insurgents shot and wounded another soldier in an ambush northwest of the capital, the military said Monday. In London, Foreign Secretary Jack Straw said British forces would likely remain in the country for years to come. He said he could not give an "exact timescale" for their withdrawal but added "it is not going to be months. ... I can't say whether it is going to be 2006, 2007." In northern Iraq, a roadside bomb killed an Iraqi...