Pennsylvania’s nationally watched U.S. Senate race between Democratic Sen. Bob Casey Jr. and Republican challenger Dave ...

Pa. Sen. Bob Casey's campaign said votes remain to be counted, but GOP challenger Dave McCormick sounded jubilant.

PHILADELPHIA — Pennsylvania’s nationally watched U.S. Senate race between Democratic incumbent Bob Casey Jr. and Republican ...

U.S. Senator Bob Casey’s campaign says they are not ready to concede Pennsylvania’s Senate race to Republican Dave McCormick ...

Pennsylvania Sen. Bob Casey is vying for a fourth term against challenger and businessman Dave McCormick in an extremely ...

In the race for Pennsylvania's U.S. Senate seat, challenger and Republican Dave McCormick is leading over Democrat incumbent ...

Pennsylvania’s U.S. Senate race between three-term Democratic Sen. Bob Casey and Republican challenger David McCormick could ...

McCormick has framed the race as one of strength versus weakness. Casey has worked to make it a question of honesty.

Pennsylvania’s nationally watched U.S. Senate race between Democratic incumbent Bob Casey Jr. and Republican challenger Dave ...

Vulnerable Pennsylvania Democratic Sen. Bob Casey seems fine with voters casting ballots for third-party foes — so long as ...

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