What's Behind North Korea’s Nuclear Test?

North Korea’s sudden nuclear test is prompting analysts in Seoul and Washington to wonder what might have motivated Pyongyang to make the move.   Pyongyang announced Wednesday that it had successfully tested a miniaturized hydrogen bomb, also known as a thermonuclear bomb, which is more powerful than a conventional atomic bomb. A few hours before the announcement by North Korea’s state-run Korean Central News Agency, earthquake agencies in the United States, Japan, China and South...

© La Voix de l'Amérique - mercredi 6 janvier 2016