@One Eyed Mind,
On July the same year 2001, a TV news reported a weird incident between a helicopter and a "UFO".
Of course the whole thing was fictitious.
However, the message was weird.
The assumed UFO was hiding behind one of the Twin Towers, suddenly flied fast to the other Tower area, and this is something unusual about UFO's, this vehicle came fast against the helicopter and almost hit it. You can see the UFO changing direction at the last fraction of a second and going fast in a different direction.
Two Towers and a hit.
Apparently, this video was a way to spread out "a leak" of what it was to come. The interested party should understand what was coming and make the proper preparations.
This is not new, even the CIA reported that in some Muslims movies, terrorists send messages thru the words and movement made by the actors. The same can be performed in movies from Hollywood sending messages to spies around the world.
Still, what happened next surprised everybody. No one expected the falling of the towers, neither terrorists, neither the big rich dudes who prepared for a wild fire for a day or two in those buildings.
Even the Mayor, who was a complete ignorant of high voltage electricity, and the consequences of heating conductors getting together by electromagnetic forces and creating such a heat that caused great sounds like thunders when separating themselves, you have no idea how powerful is that heat... it's like TNT in action.
The ignorance of the Mayor was not to cut off the electric power in that area. If the electricity was turned OFF on time, the Twin Towers should exist until today. But, no one wanted to be without communications, trains should be stopped, and so forth.
By turning the electric power Off right away after the first hit by one of the airplanes, the heating of conductors should be avoided, and the structure of the buildings shouldn't be compromised by any means.
Too late to look back and try to repair the damage. But, "next time" (if any) turn the damn electric power Off as soon as a similar incident happens...
You'll see that my theory works, and surely it will work.