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

Sen. Bob Casey and challenger Dave McCormick each tried to paint the other as weak and dishonest during the hourlong debate.

I'm the underdog,” David McCormick told NewsNation’s Leland Vittert in a one-on-one interview for “On Balance.” ...

Democratic U.S. Sen. Bob Casey of Pennsylvania and Republican challenger David McCormick will meet Thursday night for their ...

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

Thursday night, the Democrat incumbent Bob Casey and his Republican challenger, David McCormick, will meet face-to-face for ...