Of course it's up to them. Enriching uranium is 1930s - 1940s technology. If they want to invest in it, we can't stop them. To think otherwise is to be blind to the simplest of facts.

Pithy sayings are nice, at times. They offer no guidance on concrete policy decisions though.

How do you propose to stop them? "Surgical strikes"? At best that would delay them. At the cost of strengthening the regime.

Cheers,
Scott.