Moving Pictures

Former New York police commissioner and LA police chief William Bratton talks about how networks and other technology are allowing police departments around the world to collaborate with each other. Steven Soderbergh and Gina Carano discuss the new film “Haywire.” The latest installment of the BBC’s A History of the World in 100 Objects looks at a bird-shaped pestle from Papua New Guinea. Asghar Farhadi discusses directing the film “A Separation,” Iran’s official selection for this year’s Academy Awards. Ralph Fiennes talks about starring in “Coriolanus,” which also marks his debut as a director.