IN “THROUGH THE LOOKING GLASS”—Susanne M. Winterling’s exhibition at the Badischer Kunstverein in Karlsruhe, Germany—the artist gamely takes up Lewis Carroll’s tale of the same name. The show announces itself by presenting its title on a large-format movie-house marquee (Untitled [Through the Looking Glass I], 2010). Yet this work hangs above the exit, so that viewers do not discover this gigantic lighted board until they are about to leave. Conversely, Winterling stages the actual entrance to the show as a liminal space. She has constructed a wooden copy of the silhouette of the museum’s baroque