Why Pennsylvania Offers a lot of Opportunities for Republicans in 2010

"Pennsylvania has a history of swinging back and forth from Republican to Democrat, Democrat to Republican in statewide races," said Robb Austin, a Pennsylvania political consultant and former state representative.
This has been true in the Senate -- Democrat Harris Wofford won a special election to replace John Heinz in 1991, and was then defeated by conservative Republican Rick Santorum, who was knocked out four years ago by Democrat Robert Casey Jr. -- as well as in gubernatorial elections...

Real Clear Politics

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