The little girl with the big voice and the ruby slippers is an American icon--but for Lorna Luft, Judy Garland is also "mama." In her new book "Me and My Shadows", Luft chronicles life as Judy Garland's daughter and Liza Minelli's sister. She says about 30 books have been written about her mother and her family--but her book is the only one written by an actual family member.