Forest Whitaker breaks down his most iconic characters, including his roles in 'Fast Times at Ridgemont High,' 'The Last King of Scotland,' 'Rogue One: A Star Wars Story,' 'Arrival,' 'The Color of Money,' 'Bird,' 'Ghost Dog: The Way of the Samurai,' 'Lee Daniels’ The Butler,' 'Platoon,' 'The Crying Game' and 'Godfather of Harlem.'