"It's me. Hi. I'm the problem, it's me." That quote from the Taylor Swift tune "Anti-Hero" is apt for Lucy, a "comedic horror" produced by Audible Theater. It's also included in the show. New nanny Ashling and six-year-old Lucy perform a joyful singalong in the show's second scene while Mary, Lucy's frazzled, pregnant mother, looks on with a rare smile. But who really is an anti-hero here, and who's purely a villain? Playwright/director Erica Schmidt mostly leaves that up to you. The ambiguity...