McSally concedes to Kelly, capping costly and high-profile Senate race

WASHINGTON – Sen. Martha McSally, R-Arizona, conceded Friday to Democratic challenger Mark Kelly, whose heavily funded campaign ousted the sitting Republican to give the state two Democratic senators for the first time in almost 70 years. McSally’s concession came 10 days after polls closed, ending the most expensive race in state history, when it became clear that she could not close the gap with outstanding ballots that remained. “With nearly all the votes counted, I called Mark Kelly this…