The legendary host of America's foremost late-night talk and news satire television program, The Daily Show, Jon Stewart is on this week's podcast to chat about his directorial debut, Rosewater, as well as The Winslow Boy, John Oliver, and much more besides. Also on this episode are Spooks: The Greater Good's Peter Firth and Kit Harington, who talk horses, running up walls and surviving the Oscars.