When Mayor Bill de Blasio was asked during last week's snow storm how many layers of clothing he was wearing, he provocatively unzipped his jacket, strip-tease style, and flirtatiously replied, "Do you want me to go farther?"

The mayor recently joked that reporters should organize a "band with clubs and sticks" to menace his press aides if they fail to respond quickly to media inquiries. Then, continuing the riff, he said: "No, no, no. I wouldn't do that. I don't think the [police] intelligence division...