Sen. Bob Casey (D-PA) leads by 3 points over his Republican challenger, businessman Tom Smith, in a new poll released Tuesday morning.
According to the latest poll from Quinnipiac University, Casey leads Smith among likely Pennsylvania voters, 48 percent to 45 percent. Casey, who was elected in 2006 by way of a landslide victory over Rick Santorum, held a 6-point lead in a late-September poll released jointly by Quinnipiac, CBS News and the New York Times. In a July Quinnipiac/CBS/NYT poll, Casey led by 18 points.
Smith might be moving up in the polls by riding Mitt Romney's coattails. Tuesday's poll from Quinnipiac also shows the Republican nominee, who's made inroads both nationally and in various battlegrounds following his successful first debate, trailing President Barack Obama by only 4 points in Pennsylvania.
The PollTracker Average currently shows Casey leading Smith, 46.5 percent to 41.4 percent.
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