The Craig-Martin touch
The Royal Academy Summer Exhibition has very little in common with the Venice Biennale. However they do share one characteristic. Each always contains so many diverse and potentially incompatible elements that orchestrating a smoothly blended result is dauntingly difficult. But, as with many almost impossible tasks, some manage it much better than others. Michael Craig-Martin, this year’s chief co-ordinator at the RA, has produced a distinctly better result than usual. The Summer Exhibition always tends to look — as David Hockney once put it — like a jumble sale. But the 2015 edition is a jumble sale with pizzazz and a chromatic zing. The transformation begins before you even get