On July 22, 2011, the far-right terrorist Anders Behring Breivik, dressed as a police officer, detonated a bomb at the Norwegian Parliament building in Oslo, killing eight people. He then traveled to the island of Utøya, where the Workers’ Youth League had a summer camp, and shot and killed sixty-nine people, wounding an additional sixty-six; the majority were teenagers. Swedish artist Jonas Dahlberg has been working on July 22 memorials in Oslo and Utøya, to be completed this summer. His recent exhibition “Diorama” made clear that he’s been up to many other things besides, and yet it was