I’ve written before about preference cascades — where large portions of the public, often a majority, conceal their views for fear of punishment, only to reveal those views when some precipitating event takes place. Classic examples include the fall of Communist regimes, like Ceausescu’s Romania, where even Ceausescu himself thought everyone loved him until shortly before he was stood in front of a wall and shot. Usually those happen in one direction. But in contemporary America, they’re happening in two. The murder of Charlie Kirk at the hands of a leftist gunman has revealed that many, many more Americans —...