If you live in a solid-red conservative community, you may not fully appreciate how much courage it took for Donald Trump to run the kind of campaign he ran. As controversial as Trump may have appeared on television, the scorn he received from the media and the Washington establishment was likely nothing compared to what he encountered in New York’s elite social circles. Try being a moderate conservative in Manhattan. Now try being the kind of conservative that Trump has become. You won’t find it easy. But that kind of courage served him well, and it will continue to do...