Man of letters, man of the world, dirty old man, John Waters, director of Pink Flamingos and Hairspray, pairs up works from the Walker collection as "roommates" — likely and less so. Will John Currin's wine-sipping pretties feel mocked by Fischli-Weiss's sausages in fancy dress? And when conceptualist Yves Klein shares space with soft-core-porn director Russ Meyer, who makes the bed? 6/11–3/4/12