Senator Bob Casey, the Democratic incumbent, is an institution in Pennsylvania. His Republican opponent is David McCormick, ...

The roughly half of a percentage point margin between the candidates also qualifies the race for an automatic recount.

Pennsylvania's U.S. Senate contest between Democratic incumbent Bob Casey and Republican challenger David McCormick is still ...

David McCormick, Republican, declared his victory over Democrat Sen. Bob Casey in a contentious senate seat race in ...

WASHINGTON - Republican challenger David McCormick has a narrow lead against Democratic Sen. Bob Casey, as the Pennsylvania ...

David McCormick is currently ahead of the incumbent Democratic Senator Bob Casey by a narrow margin, according to the AP.

"Casey was running in a very tough environment for incumbents. ... People are sick of Washington and politics as usual," a ...

Pennsylvania's U.S. Senate race between three-term Democratic Sen. Bob Casey and Republican challenger David McCormick could help Republicans pad their newfound majority.

With no decisive winner called in the tight race for Pennsylvania’s U.S. Senate seat, David McCormick’s campaign manager said ...

Pennsylvania’s U.S. Senate race between U.S. Sen. Bob Casey and Republican David McCormick could help Republicans pad their ...