Iran’s decision to ramp up uranium enrichment is prompting debate over whether the U.S. should -- or even can -- invoke a threat that negotiators built into the 2015 nuclear agreement but hoped would never be used: a “snapback” of international sanctions.
Although President Donald Trump withdrew from the accord last year, the administration is being pressured by some American hard-liners to invoke a mechanism that ultimately would trigger a return to United Nations Security Council sanctions beyond those the U.S. is already imposing unilaterally.
