Republican David McCormick has won Pennsylvania’s pivotal U.S. Senate seat, beating three-term Democratic Sen. Bob Casey ...

The former hedge-fund manager’s victory over Democratic incumbent Bob Casey brings the GOP total to 53 seats.

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

The U.S. Senate election in Pennsylvania between Democratic incumbent Sen. Bob Casey and Republican David McCormick is headed ...

Republican Senate candidate David McCormick has ousted longtime Pennsylvania Senator Bob Casey, according to an Associated ...

Republican David McCormick cut into Democratic Sen. Bob Casey's support in Philadelphia and its populous suburbs and built ...

Forecasters believed both candidates had roughly equal chances of winning. The Cook Political Report classified Pennsylvania's Senate race as a toss-up, a decision made in the weeks before Election ...

Republican David McCormick GS ’94 ’96 defeated three-term incumbent Democrat Bob Casey on Nov. 7 according to an AP election ...

Race between Senator Bob Casey and challenger Dave McCormick may trigger an automatic recount if the vote tally ends up too close.

With McCormick's victory, Republicans have expanded their Senate majority in the next Congress to 53 seats, with two races ...