Bingo.
I think you pegged it. Terrorist attack or not, it was an effort to disable a trigger, just in case. It may or may not have worked. We may never know.
Whenever something like this happens, I remember the President saying many times that in the WOT there would be many fronts...and victories that we would not even hear about.
I can live with that.
I can live with it too...
Its just a question of how much of a common occurance will this become.