Apart from the more important question of national security and stability and rehtoric in the middle east, it would appear wise for one to have at least some oil assets (for a company) or investment outside of the middle east. The middle east is only metastable at the best of times. This sort of risk might keep a floor under the price of oil based on security of supply.
From your post, any attacker would have to know Iran has wmd and just where they are. Remember the criticism of Bush when he did not find wmn in Iraq? This has probably made the current administration "gun shy" and probably will wait for a wmd test or mushroom cloud, so that all doubt is remvoved about the question of Iran wmd, so maybe nothing happens until then? I dont know of any evidence that Iran has wmd or has an active program to make a wmd. I can understand that there is a good possibility that Iran will make a wmd at some point in time, especially if it feels threatened. No easy solution on this one.
This is easy Kythumper, we, or probably Israel, nuke'em we now have "small" nuclear weapons, I don't know how "small" they are, I think no larger than the ones used on Japan, those bombs are considered Small to-day- so there; problem solved as whatshisname used to say, when the world sees what can, and it seems, will happen- no one will want to chance their future by trying to build atomic power plants like Iran is doing. there are a lot more crazies than the one in Iran and a few of them appear, from time to time, here on the good old XOM board.