Despairing of having much to say about The Tooth Fairy, Scott Tobias and Tasha Robinson use it as a springboard for a discussion about why we review children's films, and how we approach them critically. Also: An argument about whether Julie Andrews' casting in the film is lazy, genius, or lazy genius. It's the film that's tearing apart two A.V. Club critics, for reasons explained in this week's A.V. Talk installment.