Debunking Uncle Fetzer
Our buddy the Artistic Macrophage has done a splendid job of rebutting Uncle Fetzer's 15 points.
Most experts, and non-experts now agree it was a combination of the plane crashes, the spread of jet fuel through out the building, and subsequent fires, that eventually brought down the towers. As for his comments on the WTC being "Designed" to "withstand" a plane impact, (a) The WTC was not "Designed" for such an impact, but rather, after the designs were finalized, the plans were analysed to see if such an impact would be withstood by the existing design, and this was found to be true. (b) Most experts say that this was infact true, as the buildings did stand for an hour or longer after impact...no one debates (seriously) that the impact by itself brought the towers down, as they obviously didn't.