Last night at at TPUSA event featuring Megyn Kelly, who was supposed to be accompanied by the late Charlie Kirk, a student said Trump contributes to the rhetoric that got Charlie killed. He cited a study that indicates much more of the political violence in America is motivated by right-wing ideology. The truth is that this study cherry-picks a timeframe that gets the author where she wanted to go. Also, thanks to social media and how it has so fundamentally reshaped the media power dynamic in this country, much of this study is simply antiquated. In short, social media has...