FILE - This combination of images shows from left, Republican Pennsylvania Senate candidate David McCormick, left, in Pittsburgh, on Sept. 21, 2023, and opponent, Sen. Bob Casey, D-Pa., in Chicago, on Aug. 22, 2024. (AP Photo Gene J. Puskar, left; and AP Photo Paul Sancya, File)

Republican Pennsylvania Senate candidate David McCormick, left, arrives to speak with his wife, Dina Powell, during an election night watch party, Wednesday, Nov. 6, 2024, in Pittsburgh. (AP Photo/Gene J. Puskar)

Sen. Bob Casey, D-Pa., departs a polling place after voting, Tuesday, Nov. 5, 2024, in Scranton, Pa. (AP Photo/Matt Rourke)

Republican Pennsylvania Senate candidate David McCormick speaks during an election night watch party, Wednesday, Nov. 6, 2024, in Pittsburgh. (AP Photo/Gene J. Puskar)

Sen. Bob Casey, D-Pa., left, stops to speak to members of the media before voting, Tuesday, Nov. 5, 2024, in Scranton, Pa. (AP Photo/Matt Rourke)

Scranton Mayor Paige Gebhardt Cognetti walks off the stage after telling supporters of Senator Bob Casey, D-Pa., that the senator would not be speaking tonight at his election night party at the Scranton Cultural Center at the Masonic Temple in Scranton, Pa. with election results too close to call on Tuesday, Nov. 5, 2024. (Christopher Dolan/The Times-Tribune via AP)

Republican Pennsylvania Senate candidate David McCormick arrives to speak during an election night watch party, Wednesday, Nov. 6, 2024, in Pittsburgh. (AP Photo/Gene J. Puskar)

Republican Pennsylvania Senate candidate David McCormick, left, points to the crowd while on stage with his wife, Dina Powell, during an election night watch party, Wednesday, Nov. 6, 2024, in Pittsburgh. (AP Photo/Gene J. Puskar)