Days after his harrowing escape from a gunman at his Texas synagogue, Rabbi Charlie Cytron-Walker ascribed his getaway to security training he obtained for just such a scenario. That he has such training was quite fortunate. It likely saved his life and the lives of three other congregants held hostage for about 11 hours. That he needed it, however, is both painfully sad and infuriating, further evidence that the scourge of antisemitism remains a potent force in this nation — one that we in Virginia must not ignore. It’s no stretch to say that Saturday’s siege at Congregation Beth Israel...