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Photo by: Ben Curtis

**FILE** U.S. envoy Chris Stevens speaks April 11, 2011, to local media at the Tibesty Hotel where an African Union delegation was meeting with opposition leaders in Benghazi, Libya. The U.S. ambassador and three other Americans were killed in an attack on the U.S. consulate in Benghazi by protesters angry over a film that ridiculed Islam's Prophet Muhammad. (Associated Press)

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