Bangladesh, Oct. 14 -- When the E3 – the United Kingdom, France, and Germany – notified the United Nations in late August that Iran was in breach of its obligations under the 2015 Joint Comprehensive Plan of Action (JCPOA), the move marked the final blow to an agreement that once stood as a model of diplomatic compromise. The “snapback” mechanism, triggered a month later, automatically reinstated a wide array of international sanctions against Iran for its “persistent and significant nonperformance” of its nuclear commitments. It was a moment that symbolized not only the end of the JCPOA but also the collapse of a decade of diplomatic investment aimed at containing Irans nuclear ambitions through engage...