FastHorse effectively roasts her characters as turkeys, trussed by their own self-consciousness. In a swift 90 minutes, The Thanksgiving Play delivers solid laughs at the expense of targets that are admittedly, at this point, not unfamiliar: clueless liberals so busy holding space that they don’t get around to filling it with anything. What the play doesn’t do is provide much sense of a better solution to the questions that its hapless theater folks are stultified by. This absence leaves you with a question, at the end, that is double-edged: Where the representation of identity and history are concerned, is nothing good enough?