HARRISBURG, Pa. (AP) — Democratic U.S. Sen. Bob Casey of Pennsylvania and Republican challenger David McCormick will meet ...

The Republican challenger trying to flip the U.S. Senate seat in swing-state Pennsylvania said he'll press for U.S. military ...

The Republican challenger trying to flip the U.S. Senate seat in swing-state Pennsylvania says he’ll press for U.S. military ...

Democratic Sen. Bob Casey and Republican Dave McCormick have each sought to strike a balance with the top of their ticket in ...

Here are seven questions moderators should ask U.S. Senator Bob Casey and his Republican challenger Dave McCormick at ...

Democratic Sen. Bob Casey and Republican Dave McCormick have sought to strike a balance with the top of the ticket in ...

The first debate between the candidates for U.S. Senate in Pennsylvania is set for October 3 in Harrisburg. Incumbent U.S. Senator Bob Casey and Republican Dave McCormick are locked ...

Pennsylvania's Democratic Sen. Bob Casey and Republican Dave McCormick speak with NBC News' Julie Tsirkin about why they differ from each other and how they are striking a balance with the top of the ...

Incumbent Democratic U.S. Sen. Bob Casey seeks a fourth term, while former hedge fund CEO Dave McCormick, a Republican, makes his second consecutive bid for a Senate seat.

With about one month before the election, incumbent Democratic Sen. Bob Casey faces GOP businessman Dave McCormick Thursday ...

David McCormick, who is challenging third-term Democratic Sen. Bob Casey of Pennsylvania, said he'll press for U.S. military action in Mexico to target fentanyl trafficking networks ...

The Republican challenger trying to flip the U.S. Senate seat in swing-state Pennsylvania said he’ll press for U.S. military ...