A flickering retrospective for Nam June Paik at the Whitney
Mention video to some people and watch their faces fall. If the cliché of "modern sculpture" used to be a piece of stone chewing gum with a hole in it, and that of "modern painting" was a canvasful of drips, then the cliché of "video art" is a grainy closeup of some U.C.L.A. graduate rubbing a cockroach to pulp on his left nipple for 16 minutes while the sound track plays amplified tape hiss, backward. Video art has not yet shaken off its reputation as...