The time that the planes were hijacked, Bush was taking pictures in an elementary school....
He received a mail about the threat. All he had to do was tell homeland security to tighten airport security but he wasn't at the oval office. He was out under the lights of cameras trying to look good.
A barrier between the cockpit and the passengers would be an obvious way.
This would be good to get bits from for an essay-
Why can't all religions decree that killing for God is the worst sin possible ? When people pay their expenses, yet have no say in their policies that's considered tyranny.
The people on the planes could have done something
If we had shut down the Federal Reserve Bank we might have avoided it (see the Aaron Russo interview below for that link). Let's walk through this and see why: Please watch this first video linked here. It’s only one minute. You’re going to be impressed. This is a local news video of a witness named Kenny Johannemann testifying to explosions that happened in the basement of one of the WTC towers. While he is testifying you still see both of the twin towers burning behind him in the background. This was live footage and it's only ONE minute long. Go ahead and watch this here:
Realizing a corruption lies in higher circles, not in a middle eastern country(s)
If pilots were armed
This is for an essay