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To say that there is unanimous consensus between all architects and engineers regarding the reason for the World Trade Center collapse is incorrect and misleading.
If anyone (engineer or otherwise) can explain how a Boeing aircraft piloted by an inexperienced beginner can execute a 160 degree turn at 300+ miles per hour and hit the Pentagon without leaving any impact marks on the lawn or on the building from the wings, I'm all ears.
Since there are so many questions about this, what rational national security reasoning could there be for withholding the other videos from all of the other security cameras?