lol -- I'm saying I have no idea. I was living in Berkeley on 9/11. But I know the area well, for having worked in Tower 2 (99th floor) from 1993 to 1996. All the WTC complex buildings were pretty close. Each tower weighed 500,000 tons. In terms of the lateral force exerted against surrounding buildings, the mere collapse of the tower would have been like a very large explosion in it's own right. We're talking about material and air pressure. It is PLAUSIBLE this was enough to bring 7 down.