Bogus authorities also give their own comments on here a "Like" vote, and I've already posted the reasons why Ketcham doesn't speak for the NIST WTC investigation team.
Once again, talk's cheap. Go for it -- on video, with audio:
http://www.ochshorndesign.com/cornell/writings/milstein-critique/images/8-fig04.png
http://www.youtube.com/watch?v=0c2o8k4n9CY
Sunstein and the evil US gubmint don't have to destroy the credibility of your 9/11 "truth movement"; it does a great job of that on its own.