“It gets harder and harder to throw things away,” Andy Fabo says, in a taped studio visit that accompanied his recent show. Fabo preserves the detritus of his stunningly cluttered work and living space—old grant applications, Tom of Finland drawings, wrapping paper, files inherited from a friend who died—not slavishly, but with an offhand respect for what it may become. Recent personal and political circumstances produce seismic shifts in these layers of accumulated junk. Old things suddenly abut new things with surprising appropriateness, or acquire meanings they did not have. AIDS has been