YOU KNOW KEITH HARING. He drew breakdancers and mushroom clouds and triclops and dicks and death and he drew Warhol’s envy. He painted on the Berlin Wall and on Bill T. Jones and on Grace Jones. He painted CRACK IS WACK and SILENCE = DEATH. He smuggled SAMO into SVA to tag the school’s graffiti-blitzed stairwell. His chalk ikons perfused Ed Koch’s decrepit metro, scrawled on seemingly every empty ad space. They called him Chalkman and the Degas of the B-boys, they called him genius and sellout. Club 57, Danceteria, Area, the Roxy, the Pyramid, the Palladium, the Mudd Club,