In the race for a critical Senate seat, Pennsylvania incumbent Bob Casey Jr. was challenged by Republican Bob McCormick.

The Republican Senate candidate points to clear rulings from the Pennsylvania Supreme Court that undated and incorrectly ...

Republican Dave McCormick won the U.S. Senate election in Pennsylvania, Decision Desk HQ projected on Thursday, beating ...

An automatic recount has been triggered in the U.S. Senate race in Pennsylvania between Bob Casey and Dave McCormick. Here's ...

Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an ...

Republican Dave McCormick, an Army veteran and former hedge fund CEO, has unseated three-term Democratic Sen. Bob Casey Jr.

There are simply not enough votes left for Bob Casey Jr., the incumbent Democratic U.S. senator demanding a recount in ...

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

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

Sen. Bob Casey’s refusal to concede the election is damaging the citizens of Pennsylvania. Republican Dave McCormick defeated ...

The Pennsylvania Senate race between incumbent Bob Casey, left, and his Republican challenger, Dave McCormick, is headed for ...

Pennsylvania’s Senate race is heading to a recount, which the narrow margin between Republican Dave McCormick and Democratic Sen. Bob Casey triggered automatically under state law.