With his memorably titled 1956 collage "Just What is it that Makes Today's Homes So Different, So Appealing?", British artist Richard Hamilton (born 1922) heralded the British Pop revolution; and with his 1967 Swingeing London series of prints, which depicted the arrest of Mick Jagger and Robert Fraser, Hamilton's art entered the general public consciousness. But unlike so many Pop artists, Hamilton was never an uncritical or ambivalent advocate...