Lena Dunham reminds me of Amy Winehouse. You listen to a tape of the pre-adolescent Winehouse, and the voice is already there--the talent is undeniable. And Dunham's major movie--"Tiny Furniture," essentially the work of an undergraduate--is a masterful comedy. It's the kind of thing that earns you random emails from Nora Ephron. (Ephron lobbied for Lena Dunham's company.) Amy Winehouse didn't want fame; she wanted to be a jazz singer in tiny nightclubs. Lena Dunahm didn't want fame; she wanted to express herself. The early years of "Girls" are a horror story. Dunham teams up with a "friend," a substantially older woman, Jenni Konner. Instead of mentoring Dunham, Konner views her child-colleague as a kind of meal ticket. In the first season, Dunham begins to show signs of disordered eating. Konner does not offer help. She approaches Dunham and says, "The producers are worried that your weight seems too normal. The show doesn'...