If Europe Wants to Sanction Iran, It Knows What to Do – United Nations sanctions are already on the books—they just need to be reactivated. | Foreign Policy

As Europe considers another round of sanctions targeting Iran for its deadly crackdown on protesters and the supply of arms to Russia, there is a ready sanctions tool already in place, whose activation would send an unmistakable message to Tehran. Britain, France, and Germany, as original participants in the Iran nuclear deal, have the power to take the most important step of all: the snapback of United Nations sanctions that are already on the books.