US Secretary of State John Kerry gestures with his crutches while recovering from a broken leg and answers journalists questions in front of Palais Coburg, the venue for nuclear talks in Vienna, Austria, yesterday. Major powers and Iran are making progress in their talks on a nuclear agreement but some very difficult issues remain, Kerry told reporters. “We have some very difficult issues, but we believe we are making progress and we are going to continue to work because of that.”

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