While the Iran nuclear deal may never be revived, there are still ways to engage and avoid conflict. Sanctions relief and good-faith engagement can go a long way to ease tensions and avoid a nuclear Iran. Faced with unrelenting US pressure, Iran's leaders are regularly meeting with Russian and Chinese officials and pledging unprecedented levels of cooperation. American policymakers today face a key inflection point in the bilateral relationship, and the "no nuclear deal, no crisis" dynamic appears increasingly unsustainable. Donald Trump with a copy of the memorandum withdrawing the US from the Iran nuclear deal.

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