North Korea is at it again. This time, it has launched a rocket for "scientific purposes." Most observers suspect other motives. China, the US and other powers are taking their complaints to the United Nations. But will tough talk and more sanctions change Pyongyangâs view? After all, the government is still detaining foreign visitors and still antagonizing South Korea. On this weekâs HashtagVOA, we take a closer look at Kim Jung Un regime, and why the world tolerates it.