Maybe you remember, back in 1989, the controversy over Piss Christ, a piece of art by the now fashionable artist Andres Serrano. He himself had been living on a fellowship from the National Endowment for the Arts, and his brave break-out work (a crucifix immersed in urine) was hung in various public museums and was debated and mostly defended by the high culture elites until it became part of the...