"Misty Copeland made history as the first African-American principal ballerina at the American Ballet Theatre. Her talent, passion, and perseverance enabled her to make strides no one had accomplished before. But as she will tell you, achievement never happens in a void. Behind her, supporting her rise was her mentor, Raven Wilkinson, who had been virtually alone in her quest to breach the all-white ballet world when she fought to be taken seriously...