Since first appearing on film in Woody Allen’s Manhattan, Wallace Shawn has become one of Hollywood’s most distinctive character actors, familiar to audiences for his striking performances in everything from The Princess Bride to The L Word. But theatergoers also know another side of Wallace Shawn; the relentlessly daring playwright whose work challenges conventional ideas about theater, power, sex, class, and, most unsparingly, liberal complacency. Tomorrow night Shawn will be participating in an “evening of......