With the huge flush of cash that was just GIVEN to them, the Iranians can BUY all the necessary nuclear weaponry, from the North Koreans, that they want or can reasonably be expected to use before they succumb to MASSIVE retaliation.
What the heck, they already have a pretty good handle on the intermediate range ballistic missiles they need for delivery to Israel. Maybe even to the more recalcitrant countries in Europe.
Does it not seem that we are feeling as people must have felt during the buildup to World War II?
We can look back and say "If only someone would have called Hitler's bluff at the Sudetenland."
"Peace in our time" meant massive war and death in our time. That's what it is going to mean this time as well.