FILE - In this Sept. 4, 2015, file photo, House Benghazi Committee Chairman Trey Gowdy, R-S.C., walks to a hearing room on Capitol Hill in Washington.  Gowdy is a man under siege. The three-term Republican congressman from South Carolina chairs the embattled House committee investigating the deadly 2012 attacks in Benghazi, Libya.    (AP Photo/Cliff Owen, File)
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