Republican U.S. Senate candidate Dave McCormick on Thursday appeared to declare victory in his race against Democratic ...

After days of the race being too close to call, the Associated Press named Republican Dave McCormick the winner in the race ...

Republican Dave McCormick appeared to win a major upset in Pennsylvania, beating three-term incumbent Bob Casey. The victory ...

Bill Clark/CQ-Roll Call, Inc via Getty; ANDREW CABALLERO-REYNOLDS/AFP via Getty Former hedge fund CEO Dave McCormick has ...

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

Republican Senate candidate and former Bridgewater CEO Dave McCormick has staged a come-from-behind victory against Sen. Bob ...

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

Pennsylvania’s nationally watched U.S. Senate race between Democratic Sen. Bob Casey Jr. and Republican challenger Dave ...

One of Pennsylvania's two U.S. Senate seats is before voters Tuesday, with Sen. Bob Casey vying for a fourth term against ...

Republican businessman David McCormick has won an upset in Pennsylvania’s U.S. Senate race against Democratic incumbent Bob ...