Javad Zarif on Iran's Nuclear Negotiations

I first met Mohammad Javad Zarif, the Iranian foreign minister, in the nineteen-eighties, when he was a junior member of the Iranian delegation at the United Nations. This week’s issue of The New Yorker includes a Profile based on twenty-five years of conversations with him, including four in Tehran and New York since last September. Zarif is now the pivotal broker in nuclear talks between his government and six world powers—Britain, China, France, Germany, Russia, and the United States. Aft...