Please, look the video and forget the NIST-Report!

WTC 7 Analysis

What Will It Take? . . . A Short Physics Lesson Perhaps - This Is WTC-7

Yep, High school physics.

"Molten steel?...I'm not aware of any pools of molten steel"

While I find the immediately preceding quote to be rather obtuse (as it exists in a vacuum, devoid of sources or references), one of the better discussions that I have located about the WTC7 collapse dynamics is located here:

http://the911forum.freeforums.org/it-s-off...e-fall-t91.html