The Washington Times - October 1, 2012, 01:53PM

Democratic Sen. Bill Nelson’s once smooth ride toward a third term has hit a snag, says a new poll, which shows the Florida lawmaker locked in a dead heat with Republican challenger Rep. Connie Mack.

The results of an independent survey by Gravis Marketing shows each candidate with the support of 43 percent of likely voters, though 14 percent are undecided. The result is contrary to recent surveys, including four separate independent polls taken in September that pegged Mr. Nelson with a 14-point lead.

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Mr. Nelson holds a 8.3-percentage points advantage over Mr. Mack in a composite of polling done by the website Real Clear Politics.

The Gravis survey also shows the contest for the White House continues to be close in the Sunshine State, with President Obama holding a statistically insignificant edge of 49 percent to 48.4 percent over Republican Mitt Romney.

The poll, conducted Saturday and Sunday, has an error margin of 3.4 percentage points.