Lets be honest. Iranian and Syrian jihadist with the support of their governments have been killing our troops left and right. They have also been killing Iraqi Air Force pilots who were involved with the war in the 1980's. Iran has as much control of Iraq as we do.
If we attack Iran it will be an extremely bloody war on both sides. The people of the United States are not prepared for such a war and our media is ready to support the enemy a 100 fold and they will make it look as if Iran is G-D himself and has destroyed our forces.
Israel has already promised that they will not sneak attack Iran (read it in today's New York Post). Europe WANTS Iran to get the bomb and for them to use it on Israel. Europe (and I bet many in the US) believes that getting rid of Israel will solve many of the world's problems. After Iran nukes Israel, then, NATO will attack Iran, so they can secure themselves. Killing to birds...
Iran is going to get the bomb...only then will "we" attack.