I have not followed this thread closely because I reject the idea that a US government would do such a thing. However I post this site which rubbishes the idea that explosives were there. Maybe some one else has done it.
Steven Jones is Literally Selling His ?Nanothermite? Story
http://willyloman.wordpress.com/2009/08/05/steven-jones-is-literally-selling-his-nanothermite-story/
