“Since North Korea conducted a nuclear test, it no longer has the right to the peaceful use of nuclear power,” said the official closely involved in six-nation nuclear disarmament talks, speaking on condition that he not be identified. “It is impossible, and illegal according to international laws, to negotiate nuclear cooperation with a country that does not have the right” to peacefully use nuclear power, he said. It is not wobbly. Moreover, and remarkably, this statement came from “a senior...