> ObL has declared war on the US publically, and
> soldiers from his army secreted their way into enemy territory, captured
> enemy aircraft, and used them to attack important enemy sites.
If that's true, the Geneva Convention would apply to the WTC.
See Part I, Article 3: http://www.unhchr.ch/html/menu3/b/92.htm
On the other hand, I don't think you're using the term "enemy" correctly.
/jordan