Diablo Cody And Spielberg Can't Save 'Tara'

Toni Collette stars as Tara Gregor, a wife and mother of two teens, who just happens to suffer from multiple personality disorder. Courtesy Showtime hide caption
The new Showtime series United States of Tara couldn't be more of a sure thing. Besides the promising premise of a comedy about a mother with multiple personality disorder, it boasts Steven Spielberg as executive producer, Oscar-winning Juno screenwriter Diablo Cody and respected actress Toni Collette. Yet critic Andrew Wallenstein says Tara is a disappointment.