Richard Griffiths; Simon Schama; Jonathan Schell

Actor Richard Griffiths shares his experiences filming "The History Boys," the film adaptation of the Tony Award-winning Broadway play. Simon Schama, professor of history and art history at Columbia University, looks at the state of international politics today through his unique historical lens. Journalist Jonathan Schell shares his theory of the "crisis of the republic" and presents his new book, "Too Late for Empire."