The North Korean leadership has to be overjoyed with the international reaction to the country’s fourth nuclear test, carried out just one week into 2016. Not only did the test result in North Korea featuring prominently in the foreign policy section of subsequent Democratic and Republican presidential debates, but it has also successfully driven a wedge between China and the United States at a time when ties between Pyongyang and Beijing were clearly showing signs of strain. This despite the fact that the magnitude of the fourth test was not significantly differentfrom the one that the country conducted three