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Issa: "No question" Clinton's circle involved in Benghazi "cover-up"

House Oversight and Government Reform Committee Chairman Darrell Issa, R-Calif., spoke with CBS News correspondent Nancy Cordes about his recent interview with Greg Hicks, the No. 2 official in Libya last Sept. 11 who said "everybody in the mission" thought the attack on a U.S. consulate in Benghazi was an act of terror "from the get-go."