New NRSC Ad Identifies Mark Udall as "Part of the Problem in Washington"

The National Republican Senatorial Committee tags Mark Udall's voting record as "part of the problem in Washington":

This is one of the clearer and more straightforward ads of the campaign season. Its claims are well-documented, as Boulder liberal Mark Udall has stood against domestic energy exploration, against middle class tax relief, and against funding our troops in harm's way. On these and other important issues, Udall clearly doesn't represent the values of mainstream Colorado.