HARRISBURG, Pa. (AP) – A new poll shows Democratic nominee Tom Wolf leading Republican incumbent Tom Corbett by a formidable 20 points in Pennsylvania’s gubernatorial campaign.

The survey of 1,308 Pennsylvania voters released Wednesday by Connecticut-based Quinnipiac University shows Wolf backed by 53 percent and Corbett with 33 percent. Eleven percent were undecided.

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The margin is almost identical to Wolf’s 52-to-33 percent advantage over Corbett in a hypothetical matchup by Quinnipiac in February. That was months before Wolf won the Democratic nomination with 58 percent of the vote in a four-way primary.

The poll contained little good news for Corbett. Only 29 percent of the respondents say they view him favorably, contrasted with 46 percent who say that about Wolf.

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The margin of error for the telephone poll was plus or minus 2.7 percentage points.

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