For football fans eager to see a new team in the Super Bowl‚ the conference championship games on Sunday that sent the Kansas City Chiefs and San Francisco 49ers back to the main event of American sports culture were sorely disappointing. But one thing is new: Taylor Swift. And she is driving the movement behind Donald Trump bonkers. The fulminations surrounding the world’s biggest pop icon — and girlfriend of Travis Kelce‚ the Chiefs’ star tight end — reached the stratosphere after...