As the first female African-American principal dancer at the American Ballet Theatre, Misty Copeland has been breaking down all kinds of barriers in the world of dance. But when she first started dancing -- at the late age of thirteen -- no one would have guessed the shy, underprivileged girl would one day make history in her field. Her road to excellence was not easy -- a chaotic home life, with several siblings and a single mother, was a stark contrast...