We're in a better position to prevent an attack by...

We're in a better position to prevent an attack by terrorists on an airplane, that's for sure, ... But then again, we were in a better position after 50 minutes (on Sept. 11, 2001) to defend it, just by virtue of people in the plane ? the last plane ? knowing what was happening and taking the plane down rather than allowing the terrorists to fly the plane into the Capitol.