>> we're back. we've been speaking with former white house chief of staff to president george w. bush andy car. i have a question about flight 93, where president bush will be. i spoke to condoleezza rice last night. she said authority had been granted to the vice president, she was there with him that day to take down a passenger jet and it was unclear at the moment whether that's what had happened. >> it was not very long after president bush spoke to vice president cheney and authorized or at least confirmed the authorization for our fighter jet pilots to shoot down the commercial jet liners that you learned flight 93 had crashed in shanksville. there were several of us on air force one that wondered was that one of our planes that did it? and we got an answer pretty