The latest Talk Business & Politics/Hendrix College poll shows Republican congressman Tom Cotton leading Democratic incumbent Mark Pryor 44 percent to 42 percent in the Arkansas Senate race:

Two previous Talk Business & Politics-Hendrix College polls showed the race within the margin of error but with Pryor in the lead. In October 2013, shortly after Cotton entered the race, Pryor held a 42-41% lead. In April 2014, Pryor had a 45.5-42.5% lead. The Libertarian and Green party candidates each settled at 2% in the April survey.

In every other public poll conducted since May, Cotton has led Pryor by 4 points, according to RealClearPolitics.

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