So if he believes more sanctions will prompt the leadership in Iran to pull back from the alleged development of Nuclear weapons because " the regime, interested first and foremost in its own survival" then that would make them the ideal candidate for a MAD deterrence. Meaning...that if you believe Sanctions will work, then you also believe them having Nukes wouldn't mean they'd use it to attack Israel. Or anyone else for that matter. I love how some people try to have it both ways.
U.S., allies conduct 1 air strike in Syria and 11 in Iraq against ISIS militants (Reuters)
from the article: Some 200,000 missiles aimed consistently at Israel, top IDF officer says