NEW STORY: Republican Dave McCormick flips pivotal Pennsylvania Senate seat, defeating Bob Casey Pennsylvania’s three-term ...

Pennsylvania Sen. Bob Casey is in denial after losing his race for a fourth term to Republican Senator-elect Dave McCormick, ...

The Associated Press called the U.S. Senate and the 10th Congressional District House races, with Republican Dave McCormick ...

Elections often tell you less about the winners than the losers. Victory has many fathers, as the saying goes, but defeat ...

The Associated Press called the race for Republican businessman Dave McCormick late Thursday afternoon, but Democratic ...

Republican David McCormick cut Democratic Sen. Bob Casey’s leads in Philadelphia and its populous suburbs and built leads in ...

McCormick filed a lawsuit Friday in Philadelphia, challenging the thousands of provisional ballots that city elections officials began counting earlier in the morning.

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

At issue are provisional ballots provided to Philly voters who originally used mail-in ballots which were invalidated. The ...

Pennsylvania Sen.-elect David McCormick struck a conciliatory tone during his victory speech from Pittsburgh on Friday, thanking now-outgoing Democratic Sen. Bob Casey Jr. and his family for their ...

McCormick was declared the winner over Bob Casey Jr. in the race for U.S. Senate, but Casey has yet to concede, noting the presence of so many uncounted ballots.