WTC7 seems to be a classic controlled demolition. WTC 1 &2 destruction appears to have been enhanced by thermate (a variation of thermite) in addition.
Pentagon was not struck by a passenger aircraft. It was a drone or missle.
Any article that quotes from the 911 Commission Report as foundational evident is bound to be of dubious value, but maybe this article offers an interesting viewpoint.
The New Republic Online: Lost Civilization