If you aren't talking about CD, then what ARE you talking about?
Already answered.
What people think caused it if they understand that the planes could not is no concern of mine. But we should have had the tons of steel and tons of concret on each floor information within 6 weeks of 9/11.
I don't know you.
I'm not here to get to know people. Just dealing with this subject. It's a simple physics problem that should have been solved in 6 months. But the steel getting shipped out of the country certainly puts a crimp in it.

psik