Yeah, Kosh, Clinton did a great job with terrorism. Just look at the actions he took against al-Qaeda after the African embassy bombings, or the Cole attack. Top-notch

. Maybe if Clinton had done something more then, 9/11 could have been prevented. Funny how everyone seems to forget that, though.
Karajorma, I seem to remember that fighters were scrambled at some point after the two WTC impacts, but that the attack on the Pentagon occurred before they were able to do anything about it. I don't have any concrete information, but I'd guess that the fighters were scrambled near New York; obviously, those wouldn't do much good to shoot down a plane in DC.
Clave, have you even seen the security camera frames that clearly show an airliner coming in and impacting the Pentagon? Doesn't look like a missile to me.