A new poll shows attorney Tom Cotton has pulled ahead of 2010 GOP nominee Beth Anne Rankin in the 4th Congressional district's GOP primary. A May 10 Talk Business-Hendrix College survey of likely voters found Cotton garnered 51 percent to Rankin's 33 percent. Ten percent didn't know for whom they would vote. An earlier poll by the same group, conducted on April 17, found the race tied at 38.5 percent each. Cotton has been up on local TV with some strong biographical ads, which may explain his movement in the poll. (more…)