It’s a hallmark of totalitarian regimes. Aleksandr Solzhenitsyn wrote about it in his monumental exploration of the nightmare of totalitarianism, “The Gulag Archipelago”: “The sharp nighttime ring or the rude knock at the door. The insolent entrance of the unwiped jackboots of the unsleeping State Security operatives.” The left has now adopted this tactic in the United States, not for arrests (yet), but to frighten its foes into submission.The Jerusalem Post recently reported that “anti-Israel masked men arrived at the homes of University of Michigan Board of Regents members before dawn on Wednesday to protest and demand the adoption of...