Idiot conservatives were doing the idiot thing this week, screaming “racism!” in response to an old tape of former Mayor Michael Bloomberg defending stop-and-frisk, one of the policies that drove New York City murder rates down to Mayberry levels. They weren’t being ironic. In the 2015 tape, Bloomberg makes the blindingly obvious point that if “95% of murders and murder victims are young male minorities” -- as is true in New York City -- then police should be questioning about 95% young male minorities. To stop crime, he said, you "put a lot of cops where the crime is, which...