cockpit voice recorder. >> it sounds to me who is flying the airplane. >> two more days to reach a deal. >> iran is demanding all united nations sanctions lifted. >> iran will take a deep breath and make tough decisions. >> george. >> a yes or no question. >> come on. >> don't chris cuomo. >> good morning. we have new information explaining how the co-pilot ended up alone with in the cockpit of flight 9525 the final moments as the plane goes down peoples that make clear who is doing what especially the captain, the attempts to reach the 27-year-old co-pilot as well as a call from air traffic control about why the plane was descending.