Finally, an Apology From the National Geographic Channel

http://www.911review.com/articles/ryan/NationalGeographicApology.html

Also This:

http://911research.wtc7.net/essays/pm/index.html

http://911research.wtc7.net/essays/thermite/explosive_residues.html

http://911research.wtc7.net/talks/b7/index.html

Entire Above movie here:
http://www.ae911truth.org/flashmov11.htm