Fake news is certainly detrimental to our body politic and civil discourse, but it’s apparently also dangerous. On a recent field trip to Washington DC for the “Right To Life” march, Covington Catholic High School students from Kentucky experienced firsthand the hate and weirdness of various activist groups, but they also learned that hatred stoked by fake news is vicious and quite possibly violent. The vulgar insults hurled at them were disturbing, but the death threats resulting from the media feeding frenzy and social media lynch mob were ominous enough that school officials temp...