Respect for the folks that died should start with a truth finding mission into what actually happened that day.

Shyam Sunder, IST lead investigator for WTC7, when asked in 2006 why WTC 7 collpased, he said “[T]ruthfully, I don’t really know. We’ve had trouble getting a handle on building No. 7.”
http://nymag.com/news/features/16464/index6.html

That's just not good enough. There is a mountain of real scientific evidence, enough to warrant an new public re-investigation in 911, starting with an investigation into the security firms of these buildings.