These threads are important, and I'm glad to be a sherbro knowing there are plenty of us with inquisitive minds.
Incontrovertible - a newish doc mainly about wtc7 using interviews with first responders, police, firefighters and people who were there or experts in relevant fields.
Sage Westcutt this one might interest you due to your thread on the topic and any of my sherbros with questions or doubts as to the validity of the official theory will gain some perspective by watching this. Especially jgardner and the others that so passionately defend the lie.