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

Republican Dave McCormick defeated incumbent Democratic Sen. Bob Casey in Pennsylvania’s pivotal Senate race, the Associated ...

Republican David McCormick defeated three-term Democratic Sen. Bob Casey in Pennsylvania, the Associated Press projected, ...

The Pa. race drew national attention for its potential to flip a seat from blue to red in the Senate, where Democrats have ...

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

McCormick accused Casey of being weak and a career politician. Casey called McCormick a wealthy, carpetbagging ex-hedge fund ...

Republican Dave McCormick has unseated Sen. Bob Casey, winning a Pennsylvania U.S. Senate seat that Casey has held for nearly ...

The Associated Press called the race for the Republican challenger Thursday afternoon. It was one of the nation's most ...

"While votes continue to be counted, any way you slice it, Dave McCormick will be the next United States Senator from ...

The Associated Press called the race for one of Pennsylvania's two Senate seats on Wednesday, saying that Republican upstart ...

Democratic Senator Bob Casey has not conceded after Republican challenger David McCormick won Pennsylvania's U.S. Senate seat. The Associated Press called the race for McCormick at 4:09 p.m. ET on ...

Republican Dave McCormick, an Army veteran and former hedge fund CEO, has unseated three-term Democratic incumbent Bob Casey ...