Anti-cop protesters flood NYC despite de Blasio’s appeal By Georgett Roberts and Aaron Short Over a thousand anti-cop activists began demonstrating on Tuesday to shut down Fifth Avenue as people try to do last-minute Christmas shopping — even as Mayor de Blasio has called for a moratorium on the demonstrations, and NYPD Commissioner Bill Bratton blamed them for the deaths of two murdered officers. “NYPD, KKK, how many kids did you kill today?” chanted the protesters, who started on the sidewalk but have now moved into the streets of Fifth and Madison Avenue. The agitators started moving downtown on 5th...