>9-11 was an event that was, I think, so extraordinarily pervasive in its
>"domino effect".  Unfortunate phrase I know, but just think: it's highly
>unlikely that those jet plane hi-jackers knew that crashing into the
>Towers at 80 floors or above would inevitably cause the metal
>superstructure to melt, because of super-heated aviation fuel, and
>eventually two of the world's biggest buildings would simply dissappear (I
>don't think anyone EVER suspected this could possibly