Six months before the Mississippi GOP primary, Sen. W. Thad Cochran is in a dead heat with attorney and former radio host state Sen. Christopher McDaniel, according to a Dec. 13 Human Events/Gravis poll of 691 voters, who voted in a Republican primary in 2010 and or 2012, with both men polling 40 percent with 20 percent undecided. “Overall, the results indicate that Senator Cochran is in a tight spot,” said Doug Kaplan, president of Gravis Marketing, a Florida-based polling and call center company. The poll also asked about other issues and carries a margin of error of plus or...