Israel will never permit Iran to have nuclear weapons based on its public statements concerning the existence of Israel and the actions of its proxies. Iran needs to take that seriously and demonstrate to the world that its public statements saying that it does not want nuclear weapons are true. The only way I know to do that is for them to allow unscheduled, snap inspections of their nuclear facilities; and, recognize Israel’s right to exist. Short of that, Israel has to be prepared to push the button before they do