'American Psycho' is slick, sleek and empty, a one-joke show that drowns its message, such as it is, in red sauce and fake emotion...The book sticks fairly faithfully to Mr. Ellis's original ground plan. Es Devlin's projection-intensive minimalist sets are 100% white, silver and gray, and Duncan Sheik, lately of 'Spring Awakening,' has written a score consisting almost exclusively of faux-'80s techno-pop songs with parodistic lyrics...Mr. Walker, who was memorably charismatic in 'Bloody Bloody Andrew Jackson,' plays Bateman as a ripped hipster with a plummy radio-announcer voice, which is just right. Ms. Damiano is good, too-you'll actually feel for her character's plight, unlikely as it may sound-and everybody else in the cast does just what they're supposed to do, which usually means being as irritating as possible. Some of Mr. Sheik's songs are quite harmonically fresh...