The Soros-funded #blacklivesmatter movement is a big problem for the Democrats, and Bernie Sanders just stumbled over it. Failure to grovel risks dampening the extraordinary black turnout necessary for Democratic victories in many states. But excessive groveling (say, apologizing for saying, “All lives matter,” as Martin O’Malley did) makes the candidate look like a PC wuss, nobody to entrust the nation’s security to. Appearing on Meet the Press, Bernie Sanders in effect pleaded incompetence as a leader for his campaign’s apology letter that made its way to Buzzfeed. Amber Ferguson reports in the Huffington Post: Sen. Bernie Sanders (I-Vt.) says...