President-elect Donald Trump plans to pick former Indiana Sen. Dan Coats to head the Office of the Director of National Intelligence, overseeing 17 intelligence agencies, according to a transition official. If he is confirmed by the Senate, Coats would face a daunting task as the bridge between Trump and the intelligence community. Trump has begun openly feuding with intelligence agencies over their conclusion that Russia hacked into Democratic computers to influence the election. Coats recently concluded a term in the Senate, after also serving there from 1989 through 1999. He has also served as the U.S. ambassador to Germany. Coats, who served on the Senate intelligence...