Nuclear talks between Iran and six powers are set to go down to the wire, with negotiations breaking up on Friday and expected to resume again just days before the March 31 deadline for a political deal. A spokeswoman for U.S. Secretary of State John Kerry said that he will meet somewhere in Europe on Saturday with the British, French and German foreign ministers and then return to Washington. “We’ve had a series of intensive discussions with Iran this week, and given where we are in the negotiations, it’s an important time for high-level consultations with our partners in these talks,” Marie Harf said. Two diplomats at the talks said that the likely day for negotiations […]