Less stable countries than Iran have nuclear programmes. I often feel Iran get an unfair press with regards to that. If we were to prioritise then surely non-signatory countries who already possess nuclear weapons, like Pakistan or India, would be higher on the list of who to deal with.
I often feel it would be better to deal with Iran by initiating discussions towards a transparency agreement. The international community would allow them to conduct limited research and development, granted they remain signatories of the non-proliferation treaty. If they do build weapons, they would have to under the strict supervision of nuclear ready states and even as part of NATO's sharing programme so their weapons aren't strictly "theirs" (even though they're not a NATO state).
If they are indeed building nuclear weapons and we don't do that, then the alternatives (hostility, alienation, etc) could force them to withdraw from the non-proliferation treaty. We don't want that with any nation.
(I should also say that I am not well read on this subject at all, so I could be very wrong)







