Dave Buchen’s plays often dissect political figures: George W. in The Passion of the Bush, Augusto Pinochet in Pinochet: A Carnival, The Romanovs in Antistasia, and now Napoleon in Spukt a screwball musical-comedy. This Feydeau-style farce is a timely examination of Napoleon’s Mid-East conquests, replete with murderous twins, body-doubles, a dancing bear, and a three-piece band.