9/11 Deniers: Do They Have Credibility?

One of the emerging debates in American politics today is between the mainstream historians and fringe revisionists who claim that 9/11 did not in fact occur, and that the event was simply inserted into history without anybody fully checking the veracity of the claims regarding an Al Qaeda derived attack on key US economic, political and military targets.

Did it really happen? Is there some credibility to either side of the argument?

Let's hear your views.

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So after conquering nations like Germany and Japan we give them full independance and they become 1st world egalitarian democracies and we are imperialist for this. Why? Because we have an airport with 100 troops stationed in one of their backwater territories?