Kate Gould and Jim McDermott : Diplomacy in Syria nuclear talks a sprint , not a marathon . Breakthrough could help stabilize Assad , authors say . Progress on deal also could reduce bloodletting in Iran , they write .
Jim McDermott and Kate Gould : Diplomacy in Iran nuclear talks a sprint , not a marathon . Breakthrough could help stabilize the Middle East , authors say . Progress on deal also could reduce bloodletting in Syria , they write .