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WASHINGTON, DC - January 31:  Senator Lindsey Graham (R-SC) listens  to answers from former two-term Nebraska Republican Senator Chuck Hagel, President Barack Obama's nominee for defense secretary, testify before the Senate Armed Services Committee on Capitol Hill Thursday, January 31, 2013.  (Photo by Melina Mara/The Washington Post) Melina Mara/The Washington Post, via Getty (FILE)