The special-guest parade continues on Saturday Night Live: TMZ reports that alum Maya Rudolph will return this weekend to play Michelle Obama — this should be interesting, particularly because we're just having a hard time imagining how a good parody of Michelle would look. Unfortunately, Tina Fey will not be around to resume her Palin-mocking duties (she put in her time last night), but give us Kristen Wiig as a glassy-eyed Cindy McCain and all is forgiven. [TMZ]