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

The Associated Press called the race for Republican David McCormick when Casey was trailing him by about 30,000 votes.

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

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

McCormick’s projected victory marks a pivotal moment for the Republican Party, solidifying their gains in what was one of the ...

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

Republican U.S. Senate candidate Dave McCormick and wife Dina Powell thank supporters after declaring victory in a closely ...

NOTE: This post was updated at 6:57 p.m. Thursday to reflect Dave McCormick’s reaction to The Associated Press call of his ...

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

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

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