The motor of fake news is not inaccuracy. It's malice. I had an insight into this important truth a couple weeks back when I was at a swank New York club for an evening event. The establishment in question is overwhelmingly conventional, i.e., leftish in that smug "We're-all-beautiful-people-who-are-you?" sort of way that publications like The New Yorker and the New York Times, along with such media outlets as CNN and MSNBC, exude like the cloying aroma of paperwhites. I ran into an acquaintance, a female journalist I hadn't seen in years. I knew that her politics were echt conventional in...