U.S. Sen. Mark Pryor, D-Ark., speaks during a political rally in Little Rock, Ark., Monday, Nov. 3, 2014. Pryor is being challenged by Republican Congressman Tom Cotton. (AP Photo/Danny Johnston)
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U.S. Sen. Mark Pryor, D-Ark., speaks during a political rally in Little Rock, Ark., Monday, Nov. 3, 2014. Pryor is being challenged by Republican Congressman Tom Cotton. (AP Photo/Danny Johnston)
