The U.S. military said Tuesday that four U.S. soldiers died in two roadside bombings near the insurgent stronghold of Ramadi and a fifth died in a blast north of Baghdad, pushing the toll of American forces killed in Iraq past 1,900. Also Tuesday, the U.S. Embassy in Baghdad said a suicide car bombing killed four other Americans — a diplomatic security agent and three private security agents — traveling in a convoy Monday in Mosul. The four were attached to the embassy’s regional office in the northern city, Iraq’s third-largest, said spokesman Peter J. Mitchell. Full Story