There has been an unfortunate uptick in public displays of the Roman salute, among men specifically. But the fact of the matter is that young, online men have been at this for a while: Their veiled and unveiled interest in Hitler has not likely decreased but has not likely increased. It is more obvious but not more dangerous. As such, the breadth of the matter is not the problem now. The push and pull between the Left and the Right is what keeps the joke alive and provocative. If Roman salutes are becoming more common, overt Nazism, thankfully, is not...