Iran lies. This current regime always has, and I see no indicators they really want to change their ways. Sure they will allow inspections at their "show" site. And they'll continue right along as before in one of their many underground locations, call any breach "action by extremist elements, we're sorry, give us more money" and then use most of the money we give them to buy guns for "freedom fighters". Meanwhile they will continue to repress their citizens, only now with a more effective and better armed police state. They're laughing at us all the way to the bank. Again. Great political move for el' Presedente though.
Life isn't actually a bad action movie, you know. All nation states lie. The Unites States foremost among them. It might be wise to recall the path to power the current government of Iran took, and how much of that was facilitated by US adventurism. The reality of the situation is that sanctions were hurting poor people in Iran and doing essentially nothing to impede progress towards them building a working nuclear device. The US just basically intentionally destabilized Egypt and doubled down on Assad in Syria, because, you know, the mass murdering sociopath you can do business with is probably ok at heart. All of that strengthened Iran's position. The idea here is to save face for the US, that's it. That's the entire context. If Iran wants a nuclear device (and who wouldn't, really) they'll have one in 10 years. This is identical to the circumstances a year ago. What may be different is that the .00005% chance they would use such a device in the region might be reduced to .000025% if relations thaw. Which is good.
I'm not sure how anyone would be against this sort of agreement. The other option is the status quo, which doesn't work. No one wants war with Iran. While it's required that media in the US paints their military as comically inept, they are, in fact, fairly good at war. Their leadership is certainly better equipped for it than that of anywhere we've fought in 40 years, and the cost for no tangible gain would make it unpopular fairly quickly. Israel will get over it. Or not, it really doesn't matter much. They'd lose a conflict with Iran *badly*.
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