The Turner Prize always seems to find new ways of being controversial. “It ought to be impossible, in this, the 19th year of its art world stranglehold, to create controversy by any means at all, short of eating a human baby. Whereas in fact, the Chapman brothers, shortlisted this year for their piece Death, are already at the centre of a storm over some garden-variety oral sex. The Turner prize does feel gimmicky and hollow – and there is a reason for this.”