But as the final margins are still being tallied, the Senate race in Pennsylvania remains open with both candidates at odds over a projected victor in the close election.,On Thursday, the Associated Press called the race in favor of former hedge-fund CEO Dave McCormick,

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.