The U.S. military could have prevented one wave of the deadly attack on American personnel in Benghazi if fighter jets had been promptly deployed, a top diplomatic official who was in Benghazi during the Sept. 11 assault told congressional investigators. The account, contained in a transcript obtained by Fox News, was given by Gregory Hicks during an interview last month with the House Oversight and Government Reform Committee. Hicks, a whistle-blower who is preparing to testify Wednesday before that committee, was deputy chief of mission at the U.S. Embassy in Libya -- after Ambassador Chris Stevens