Director Derek Hart takes us where we've never been and shows us what we've never seen backstage at St. Petersburg's famed Kirov Ballet--arguably the best classical ballet troupe in the world. The company was responsible after all for producing Swan Lake, Sleeping Beauty, The Nutcracker -- as well as Baryshnikov, Makarova, Nureyev, Pavlova and Nijinsky. This is not just a behin...