The interior lobby of the new Museum of Art and Design (MAD) looks as if it’s been hit by a tempestuous paper-shredder, as the entire ceiling is consumed by Andrea Mastrovito’s depiction of a storm seizing Christopher Columbus’s ship (as well as our attention). Mastrovito’s paper maelstrom is just one of many impressive pieces in the museum’s latest show, Slash: Paper under the Knife, a multifaceted exhibition whose material limitation belies its expansive vision.