BAGHDAD (Reuters) – A U.S. citizen was killed on Monday in central Baghdad after a failed attempt to kidnap him, Iraqi police sources said. The body was taken to a hospital in the capital’s Karrada district and an initial hospital report indicated that the death was caused by a bullet, the sources added. A police source said the victim was carrying an identity card showing his job as an English teacher. Another police source said armed men in a vehicle opened fire at an SUV carrying the victim and shot him dead. “Our initial investigation and eyewitnesses showed that armed men were trying to k…