U.S. special operations forces in Libya could have saved Americans killed in the attack last Sept. 11 on the consulate in Benghazi but were told to stand down, a State Department whistle-blower has told congressional investigators. The testimony by Gregory Hicks, who will appear before a House panel on Wednesday, contradicts previous testimony by administration officials who have said all U.S. forces in Libya were deployed the night of the attack. Hicks was in Tripoli during the attack and became the top U.S. diplomat in Libya when Ambassador Christopher Stevens was killed. He said the special operations team was ready...