On the morning of 9/11/2001, it turns out, only two (groups of) people in America actually knew what to do and did it:
Cheney actually ordered the Air Force to shoot down Flight 93. And the passengers literally paid the ultimate price to save either the White House or the Capitol.
There are definitely conclusions there. But let's leave it at that for now.
Postscript; November 8, 2005
Here's an update on that:
James Carroll of the Boston Globe (quoted here via the International Herald Tribune) point out that what Cheney did might have been a usurpation of power--and says it was unnecessary. I guess we'll have to wait a bit longer for history to provide even more context...