Obama says North Korea's isolation limits Washington's leverage

Former President Barack Obama weighed in on upcoming nuclear negotiations with North Korea while giving a speech in Japan on Sunday. "North Korea is an example of a country that is so far out of the international norms and so disconnected with the rest of the world," he said, which means Pyongyang is "less subject to these kinds of negotiations" because they have little in the way of international relations to lose under punitive sanctions schemes. "So far," Obama added, "we haven't seen as much...