Not long ago, survivors of World War II were still writing, testifying, and giving interviews. But now that the last members of that generation are passing away, the responsibility for telling the stories of the war is being handed over from those who took part to those who came after. In Victor Lind’s “Contemporary Memory,” one of the most talked-about exhibitions in Oslo this winter—not only because the artist has been a significant figure in Norwegian art for forty years, but also owing to the show’s media-friendly subject matter, dramatic personal touch, and crystal-clear message—one