It isn't very often that late bloomers are called prodigies, but Misty Copeland is an extraordinary case. At the age of 13, she began her formal ballet training, which is considerably later than most children begin ballet. In 2015, Copeland was promoted from soloist to principal at American Ballet Theatre, one of the world's premiere ballet companies. She has written a memoir and a children's book, and starred in the screen adaptation of her memoir...