Except that commercial planes, according to some pilots and others, couldn't do the maneuvering that they did, and would have broken apart at the 'official story' speeds...maybe they were special military planes. Of course there's the lack of wreckage debris, at the Pentagon and Shanksville at least. Your last statement, I believe you are saying Al Qaeda (terrorists) were involved. I would doubt that, but I see your line of reasoning.