This quote was said by #43 11 months before the Trade Towers came down by Muslim terrorists. No wonder he looked so stunned when Andy Card told him the attack had hit NYC and Washington, D. C.
Sometimes I do not bother with niceties like reading an article before I comment on it. After all, life is short. :)
With respect to his comment, he must have been aware there was a 1st Trade Center bombing. He was aware of the Muslim problem that existed worldwide even then.
History is not going to treat W very well. Hate to say it, but he has earned most of the negatives.