If John Kasich won by coming in second place last night in New Hampshire, then Donald Trump really won when he took the top spot with Republican voters. He kicked off his victory speech with what is by now a familiar slogan: “Make America Great Again.” This idea of America’s unique greatness on the world stage, also known as American exceptionalism, has catapulted many a candidate to the presidency over the course of American history. Where does it come from?
KCRW
