Rich Lowry: Stop Making Excuses for Antifa Thuggery

One of the least safe places to be in Berkeley, California, is in the vicinity of someone holding a "No Hate" sign.

So-called anti-fascist, or antifa, activists bearing shields emblazoned with those words assaulted any of the handful of beleaguered Trump supporters they could get their hands on at a small political rally over the weekend. All in the cause, mind you, of demonstrating their supposed opposition to hatefulness.

Too many people were willing to perfume antifa in the wake of Charlottesville, where it clashed with Nazi thugs who caused, and deserved, a wave of national revulsion. But...