Artists should give proper credit to Hollywood

This month, Europeans can see for themselves what the fuss over the US artist Jordan Wolfson is all about. The centrepiece of Wolfsons exhibition, which has just opened at Amsterdams Stedelijk Museum (until 29 January), is a new robotic marionettea wild, gap-toothed Howdy Doody lookalike that alternately swings through the space and violently careens or crashes onto the floor. In February, this trickster will be replaced by Wolfsons 2014 shocker: an ugly-sexy robotic woman who puts on a mesmeri