" the hijackers took the planes through maneuvers a jet pilot couldn't perform without a pressure suit."
BOLLOCKS!
There is not a civil airliner in existance which would survive any maneouvre pulling enough G to require a pressure suit. A Russian Tupolev actually fell apart at an air show under a loading of one negative G.
The only thing scary about you, Kerry is the monumental ignorance you display when you stae such nonsense as fact.
Go play with your marbles..... Oh no! Sorry you've lost them....