In the current issue, Peter Schjeldahl reviews a retrospective of the work of Ai Weiwei, the international art star and political provocateur, at the Hirshhorn Museum, in Washington, D.C. Here Schjeldahl talks with Sasha Weiss and Evan Osnos, who profiled Ai Weiwei for the magazine two years ago. Also: What to do about dead cats, and David Sedaris on his stuffed dog.