It even goes further back, but for the most part, you hit the nail on the head. The Iranian hatred towards us can be traced back to the 50's when we smothered their hopes of attaining a democracy led by revolution. We chose to back up the monarchy that we liked because they sent us oil.
The 6 day war, I believe, was the spark that started the eternal hatred towards US supremecy. We installed Isreal into a land that was raped from the Arabs and they failed to defeat them because of our military gifts and grants to Isreal.
But, back to hte point...I'm just going to copy and paste in what I said about the OTHER Zarqawi thread.
Do you know how many times we have killed the "leader" or the "right hand man". As I have said many many times before. Al Qaeda's power is totally blown out of proportion. In fact, the media is what has given Al Qaeda the power to become so big. I'm not worried at all about another attack, because it is inevitable. It's all a matter of time before it happens again. I can assure you it won't be because we killed AL whatever.