Jun.27 -- Khaldoon Al Mubarak, chief executive officer of Mubadala Investment Company and chairman of Manchester City Football Club, discusses the soccer club's success, Abu Dhabi's efforts to diversify from an oil economy, the Iran nuclear deal and his relationship with Abu Dhabi's Crown Prince. He speaks on the latest episode of "The David Rubenstein Show: Peer-to-Peer Conversations," taped May 9.