“Let me make clear that I fully accept and endorse the conclusion of the 9/11 Commission that the Islamic hijackers who flew the airplanes into the World Trade Center and the Pentagon were the sole cause of the attack.”… “Put simply, even if we had published the article, all we would have established was that there were some questions yet to be resolved with the government’s 9/11 explanation, not that an alternative hypothesis was suddenly correct,” he explained.