Democratic U.S. Sen. Bob Casey of Pennsylvania and Republican challenger David McCormick have held the first debate in their ...

Pennsylvania incumbent Sen. Bob Casey Jr. (D) and Republican challenger David McCormick will take the debate stage Thursday ...

Sen. Bob Casey and Republican challenger David McCormick came out swinging on a Harrisburg stage Thursday night, sparring over a bevy of policy disputes and hammering away ...

If businessman Dave McCormick wants to remove Democrat Bob ... for the Republican atop the ticket but are undecided on the Senate race could be crucial for GOP hopes to flip the seat.

Locked in a tough race against Democrat Bob Casey, seeking his 4th term in the Senate, McCormick leaned heavily Tuesday on his experience in business and government as reasons to send him to ...