Martin Scorsese's says his latest epic "Killers of the Flower Moon" is "an internal spectacle." The movie about the systematic killing of Osage Nation members for their oil-rich land in the 1920s also demonstrates his continued dedication to ambitious filmmaking. The legendary 80-year-old director sat down with The Associated Press' Jake Coyle to talk about staying focused and curious, the future of cinema and pushing boundaries: "There is no limit. The limit is in yourself."