Damien Hirst “is originally unoriginal, to put it positively: a master of supererogation,” Peter Schjeldahl writes in his review of “The Complete Spot Paintings, 1986-2011,” an “archipelago” of shows in all eleven spaces of Larry Gagosian’s gallery empire, from New York to London to Hong Kong. Click through for an audio slide show of Schjeldahl discussing Hirst’s grids of colorful, neatly made circles: “There’s no reasonable ‘why’ to it—just a big ‘why not?’” http://nyr.kr/yz6oVx