Veteran Broadway costume designer Paul Tazewell won a Tony for his work on "Hamilton," and has worked on countless other stage musicals and plays. So he made the perfect choice to bring the fashion from the beloved musical "Wicked" from stage to screen. He's nominated for an Oscar for Best Costume Design, and joins us fresh off his BAFTA win. This conversation is part of our annual Big Picture series, where we speak with Oscar nominees who worked behind the camera.