WTC 7 report
On NIST’s current WTC 7 FAQ page, the headline reads: (emphasis mine)
Questions and Answers about the NIST WTC 7 Investigation (Updated 09/17/2010) 
In order to preempt further alterations, I cached this version. When I noticed the date of the update, I first tried to look for previous versions of the FAQ in the Wayback Machine.
I was in for a disappointment: previous versions of the page had curiously vanished from the archive. Normally this means game over: there are no cached versions. To my knowledge, there is no alternative for the Wayback Machine. I tried to look for alternatives nonetheless.
I emailed the following comments to NIST today, well before the deadline for submitting comments. I utilized Kevin Ryan's recent critique of NIST's draft report. Gregg Roberts gave useful feedback on the text and "Americanized" the language.
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Here are my comments on the long-awaited draft for public comment of NIST's report on WTC 7, issued by NIST on August 21st, 2008.
1. Collapse Models