I so hope you are right.   But it doesn't have to be doomsday.  The fact remains that Iran has a reactor(s), and I cannot believe they are only using that reactor for energy purposes.  Ahmadinejad has voiced his intention to see Israel wiped off the map.  I'm sure the Israelis have their intelligence working on this day and night, and would launch a limited airstrike on the reactor only if necessary and danger would appear imminent.  I don't see an all out war resulting from such action, nor do I think the US would need to commit ground troops.