....
If he happened to get up to 8th grade level, he might understand that the buildings were built to resist a whole lot more than free-fall... more such as airplanes crashing into them.

I'm not at all certain that with the posters on this thread, any possibility exists to get the discussion up to the 8th grade level.
If you happened to get up to 8th grade level, you WOULD be certain. Why? You would see that the rest of us are at least way past college level in our discussion.
