I ran across this a few days ago, and forgot to post it until now:
Yeesssss. Clearly, without any terrorist attack, the US economy would have never have had any problems. I expect a similar explanation for the dot-com bubble any day now. Called "Did terrorists use a mind-control ray to cause us to invest in companies consisting primarily of cute logos and catchy names?" or something similar. After all, we're much too smart to lose money all on our own. Must be those pesky terrorists.