Bill de Blasio slams Mike Bloomberg over stop-and-frisk: ‘What planet are you on, dude?’

It’s mayor vs. mayor -- the Democratic primary edition.

Mayor de Blasio lashed out at Michael Bloomberg Thursday for suggesting that the current occupant of Gracie Mansion had to “learn" something about the racially charged stop-and-frisk policy.

“What planet are you on, dude?" Hizzoner rhetorically...