Anyone who has not read Duel's thread should do so. I think this is exactly the attitude that Duel is worried about.
Wonka, you may be right. Heck, you probably are right. But your attitude is one of kill them all now and worry about the details later.
Assume for a minute that the Israelies are responsible for this. Their religion dictates that American capitalism is, for all practical purposes, evil incarnate. As such, they feel justified in what they have done.
Obviously, we see this from an outside perspective. Or perhaps as people on the receiving end, but at least try to distance yourself from that for a moment. If we were to counterstrike without the proper investigation into the matter, than we are just as bad as they are.
Now, if it is uncovered that they are responsible, than we will probably end up in a war situation. Many people will die. Many innocent people will die. Many of those innocent people will be Israeli. Unfortunately, that happens in war. But without knowing for sure what happened today and why, we might as well bomb every country in the world.
Here's a theory for you - There are a lot of crazy american citizens that would love to see America go to war. Meglomaniacs who think that we do not take an agressive enough stand in world politics. What better way to force their point than by committing terrorist acts and making it look like Israel was responsible.
Unlikely? Perhaps, but let's face it - we just don't know at this point.