I think you're probably right about this being a very sorrowful period in world history Jim.
One can only hope that through all of the misery that undoubtedly lies ahead, the decent citizens of the world can finally seize this chance to confront and overcome this kind of absolutely wretched human behavior, not only abroad but in our own hearts as well.
The world was born again the second it happened...
Hopefully this has opened our eyes a little, and makes us find new ways of fighting terrorism. We won't forgive or forget.