Pennsylvania Sen.-elect David McCormick struck a conciliatory tone during his victory speech from Pittsburgh on Friday, thanking now-outgoing Democratic Sen. Bob Casey Jr. and his family for their decades of public service to the commonwealth.

Democratic Senator Bob Casey has not conceded after Republican challenger David McCormick won Pennsylvania's U.S. Senate seat.The Associated Press called the race for McCormick at 4:09 p.m. ET on Thursday when McCormick was leading by more than 30,