situation. >> hostage. >> right. the terrorists wanted to be seen. >> free the prisoners or give us $5 million, yeah. >> what happened at one stage in one of the planes was mohamed thinks he is talking to the passenger hijacking situation. remain calm. we doesn't want the passengers in the cockpit. >> people need to remember the cockpit doors were not fortified. >> he pressed the wrong button and discloses to control towers what is happening. they realize we don't just have one plane up in the air, we have two, three, possibly more. then they're grounded. flight 93 had, because of the delay, the benefit of time for the passengers to make that decision and say, there's no good option here. what is the less bad option? in many ways, that describes the last 20 years. what is the less bad option? they chose for us, not for them. >> one other thing about flight 93 in shanksville, pennsylvania,