Businessman Dave McCormick officially conceded to Mehmet Oz in Pennsylvania's Republican primary, making Oz the official GOP nominee to run for the state's open U.S. Senate seat.
Driving the news: The extremely tight race between McCormick and Oz had gone into a recount but McCormick was still falling short. The Trump-backed Oz will face Pennsylvania's Lt. Gov. John Fetterman, who is recovering from a stroke, in November. ...