Film editor Myron Kerstein had the monumental task of taking 250 hours of footage and turning it into the two part movie musical "Wicked." The film is now nominated for Best Picture at the Oscars, and Kerstein is nominated for his editing work. He joins us to discuss how it all came together as part of our series The Big Picture, where we speak to Oscar nominees who worked behind the camera to make the best movies of the year.