The twin towers did not fall because aircraft hit them. Demolition explosive charges made them collapse. If you look at close-up video you see puffs of explosives coming out the sides of the buildings as they topple. An advertisement that makes this allegation has been airing in New York for months. It ends with a voice saying: "Reopen the investigation and address the unanswered questions of 9/11." If you go to the website reopen911.org you find a series of even more startling claims. Did a plane actually hit the Pentagon? Photos taken on September 11, 2001, show no cabin, no tail and no engines. What about the phone calls by passengers from the hijacked planes? "You can't make calls from aircraft."