Many on the left are starting to see the goons of Antifa as the menace they are. Too bad the Berkeley, Calif., Police Department remains clueless. The college town saw a large Rally Against Hate on Sunday, initially planned as a response to a right-wing demonstration that wound up canceled over security concerns. A few pro-Trumpers and other miscellaneous rightists still turned out to show their flags — and so did the ninja-wannabes. Yet when hundreds of masked, armored thugs arrived in quasi-military formation, carrying shields banned under police rules, the cops were ordered to retreat. Some 400 officers from...