What it would do, he said, is "undermine Iran's narrative of nuclear innocence" in a way that hands the Trump administration leverage to push for a "follow-on agreement that addresses fatal flaws in the original accord."
Donald Trump, Rex Tillerson split on Iran nuclear accord compliance →
"What that really foreshadows is once the policy review is done, we're going to see a massive increase in pressure - not just sanctions pressure but using all instruments of American power," said Mark Dubowitz, who runs the hawkish Foundation for Defense of Democracies and has advised the administration on Iran.
Trump lets Iran deal live, but signals he may not for long →
