If you’ve been watching cable news, reading Hollywood celebrities’ tweets, and listening to race-hustling opportunists, you might think that every police officer in America has a finger on the trigger, hunting for any excuse to gun down defenseless youths. This hysterical nonsense must be stopped. The Cirque du Cop-Bashing, with Al Sharpton as ringmaster, is working overtime to exploit the deadly incident in Ferguson, Mo. That means stoking anti–law enforcement fires at all costs. Are there bad cops? Yes. Does the police state go overboard sometimes? Yes. Do the demagogues decrying systemic racism and braying about “assassinations” know what happened...