A Quinnipiac University poll showed Sen. Udall trailing Rep. Cory Gardner 52 - 48 % . A USA Today / Suffolk University poll gave Gardner a 1-point edge . The two nonpartisan polls are the first time Udall has been behind his opponent since July . Udall 's campaign manager praised his candidate 's performance in this week 's polls .
A Quinnipiac University poll showed Sen. Udall trailing Rep. Cory Gardner 40-48 % . A USA Today/Suffolk University poll gave Gardner a 1-point edge . The two nonpartisan polls are the first time Udall has been behind his opponent since July . Udall 's campaign manager dismissed his candidate 's fall in this week 's polls .