Republican Congressman Tom Cotton greets supporters during a fund-raising event in Little Rock, Ark., Thursday, Aug. 7, 2014. Cotton is challenging Democratic U.S. Sen. Mark Pryor in the November election. (AP Photo/Danny Johnston)
Republican Congressman Tom Cotton greets supporters during a fund-raising event in Little Rock, Ark., Thursday, Aug. 7, 2014. Cotton is challenging Democratic U.S. Sen. Mark Pryor in the November election. (AP Photo/Danny Johnston) AP
Republican Congressman Tom Cotton greets supporters during a fund-raising event in Little Rock, Ark., Thursday, Aug. 7, 2014. Cotton is challenging Democratic U.S. Sen. Mark Pryor in the November election. (AP Photo/Danny Johnston) AP

Democrat Mark Pryor struggles to hold Senate seat in Arkansas

September 08, 2014 3:16 PM

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