in 2011 where the pilot was forced to land a plane on his own without help from the tower. take a listen. >> 1900, the tower is apparently not manned. we have made a few phone calls. nobody is answering. two airplanes went in about ten-10 minutes. >> one in five controllers said they made some sort of operational error. faa was forced to release this after someone got a copy. the agency says they changed scheduling practices in 2012 to control fatigue. they say now controllers can declare if they are too tired to work. back to you. >> big issue. try to stay on it. news out of the white house. one of the staffers is out on bail after threatening her lovers life.