The Significance of Building 7's Collapse
* If small fires could level a steel building,
all skyscrapers should be suspect.
* This event contradicts engineering assumptions.
* It would be the largest and most mysterious structural failure in history.
* It warranted the most careful and painstaking investigation
with preservation of the evidence.
* The structural steel should have been painstakingly documented on site,
then moved to warehouses for further study.