Aside from once-and-future President Donald Trump's unexpectedly decisive win, one of the most surprising results in Tuesday's election was Republican Dave McCormick's apparent victory over three-term U.

Republican Dave McCormick defeated incumbent Democratic Sen. Bob Casey in Pennsylvania’s Senate race, The Associated Press projected, marking the 53rd Senate seat Republicans have captured in winning back the majority.

R epublican Dave McCormick declared victory over incumbent Democratic Sen. Bob Casey in Pennsylvania’s pivotal Senate race after the Associated Press called the close election Thursday evening, delivering the GOP yet another win after it regained control of the Senate.

Republican Dave McCormick appeared to win a major upset in Pennsylvania, beating three-term incumbent Bob Casey. The victory would give the GOP a key win in the U.S. Senate, where it now holds 53 seats.

Pennsylvania Sen. Bob Casey is in denial after losing his race for a fourth term to Republican Senator-elect Dave McCormick, and clinging to a long-shot gamble that that outstanding ballots from Philadelphia can make up the roughly 36,

Bob Casey refuses to concede to Dave McCormick.PITTSBURGH and BETHLEHEM, Pa. — Pennsylvania Sen. Bob Casey is in denial after losing his race for a fourth term to Republican