Mason-Dixon poll: Coleman up six

Sen. Norm Coleman holds a six-point lead over Al Franken, according to a Mason-Dixon poll released today. The incumbent garnered support from 42 percent of respondents, compared to 36 percent for Franken. Independence Party candidate Dean Barkley trailed with 12 percent. The poll, commissioned by NBC, had a four-point margin of error.

A Rasmussen Reports poll released yesterday showed Coleman with a three-point edge. The latest composite of polling from Real Clear Politics has the incumbent with a 1.5-point advantage.