ISTANBUL (Reuters) - Turkish leftist group DHKP-C claimed responsibility on Saturday for a suicide bomb attack on the U.S. embassy in Ankara, according to a statement on a website close to the group. "Our warrior Alisan Sanli carried out an act of self-sacrifice on Feb 1, 2013, by entering the Ankara embassy of the United States, murderer of the peoples of the world," the statement on "The People's Cry" website said. ...