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

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

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

Democratic U.S. Sen. Bob Casey and Republican challenger David McCormick disagreed on clean energy policy, gun laws and abortion rights in a fast-moving debate Tuesday night, as they accused each ...

(AP) — Republican David McCormick has won Pennsylvania’s pivotal U.S. Senate seat, as the former CEO of the world’s largest hedge fund beat three-term Democratic Sen. Bob Casey in Tuesday ...

HARRISBURG, Pa. — Democratic U.S. Sen. Bob Casey and Republican challenger David McCormick disagreed on clean energy policy, gun laws and abortion rights in a fast-moving debate Tuesday night ...

PHILADELPHIA (WPVI) -- Democratic U.S. Sen. Bob Casey and Republican challenger David McCormick disagreed on clean energy policy, gun laws and abortion rights in a fast-moving debate Tuesday night ...

Bob Casey and Republican challenger David McCormick. Mr. McCormick — yet again battered by the three-term incumbent Mr. Casey over his former hedge fund's investments in a Chinese arms ...

Bob Casey and Republican challenger David McCormick could help Republicans pad their newfound majority in the chamber in a battleground state contest that is one of the nation’s most expensive ...

WASHINGTON - Republican challenger David McCormick is maintaining his lead against Democratic Sen. Bob Casey, in the Pennsylvania Senate race. Sen. Casey has become a familiar face in ...