The New York City Ballet is drawing crowds and rave reviews once again for its production of "The Nutcracker." Principal dancer Megan Fairchild performs as the Sugar Plum Fairy, a beloved role and one she has starred in for nearly two decades. Fairchild has a new book coming out called "The Ballerina Mindset," which looks back at her life as a professional dancer and offers insights into dance and life in general.