AN EXHIBITION featuring thirty international artists, “Painting at the Edge of the World” reported on the embattled status of painting after a century's worth of challenges from all sides. The medium has suffered attacks by Conceptualists and performance artists; by modernists like Piet Mondrian and Clement Greenberg, who hypothesized that painting's ultimate goal was to paint itself out of existence; and, more recently, by poststructuralist-inspired theories of authorship, which targeted the transcendental I/eye implicit in painting since the Renaissance. Yet if this exhibition is any indication,