Pennsylvania US Senate: Bob Casey, Dave McCormick appear for first debate

HARRISBURG, Pa. (WHTM) - Pennsylvania has been viewed by many as the most critical swing state in the 2024 presidential election, but it's also home to a significant U.S. Senate race. Republicans have been working to take control of the chamber this November, and one path to accomplishing that would involve flipping a seat in the keystone state.U.S. Senator Bob Casey (D) and Republican challenger Dave McCormick met in Harrisburg on Thursday for their first debate of the campaign.Both candidates