** FILE ** Former House Speaker Newt Gingrich, R-Ga., is interviewed at the 40th annual Conservative Political Action Conference (CPAC) in National Harbor, Md., Thursday, March 14, 2013. (AP Photo/Manuel Balce Ceneta)
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** FILE ** Former House Speaker Newt Gingrich, R-Ga., is interviewed at the 40th annual Conservative Political Action Conference (CPAC) in National Harbor, Md., Thursday, March 14, 2013. (AP Photo/Manuel Balce Ceneta)
