Senator Bob Casey (D) and Republican challenger David McCormick have both agreed to debates in Philadelphia, Harrisburg and Pittsburgh, Casey's team said.

Pa., is a swing-state Democrat critical to his party's Senate majority. He'll be tested by the GOP's Dave McCormick.

Before he ran for the Senate in Pennsylvania, David McCormick was a big name on Wall Street as CEO of the world’s largest hedge fund.

The Pennsylvania Democrat, who is seeking reelection, joined two bills designed to support the dairy industry.

Pennsylvania Senator Bob Casey, a Democrat, is facing off against Republican Dave McCormick, as the GOP seeks to flip control of the Senate in the upcoming November elections. Casey, who has held his seat since 2006 and is seeking his fourth term,

When Republican Senate candidate Dave McCormick faces Sen. Bob Casey (D-PA) on the debate stage next month, the message he’ll have for undecided Pennsylvania voters is simple. If you want more of the same problems,

Pennsylvania’s U.S. Senate candidates Bob Casey (D) and Dave McCormick (R) are both in Central Pennsylvania today with less than two months until Election Day. Casey visited Camp Hill where he received an endorsement from the Teamsters Union at their Camp Hill headquarters on Monday morning.