U.S. Sen. Lindsey Graham gives a check to the South Carolina election commission as he files to run for re-election on Wednesday, March 19, 2014, in Columbia, S.C. Graham is seeking a third tern, (AP Photo/Jeffrey Collins)
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U.S. Sen. Lindsey Graham gives a check to the South Carolina election commission as he files to run for re-election on Wednesday, March 19, 2014, in Columbia, S.C. Graham is seeking a third tern, (AP Photo/Jeffrey Collins)
