those icing conditions affect the instruments of the airplane because of this problem identified in the emergency air worthiness directive. there is really nothing he can do. once the icing conditions prevent adequate information getting to his computers to control the airplane. so the pilot is between the literal rock and a hard place. that's makes him a passenger just like everybody else when control is lost. >> thank you. i haven't heard about that directive from any one else. i appreciate your having been here. the former head of the senate intelligence committee tells us why the president should release 28 missing pages from the congressional report on 9/11 and what they may tell us.