North Korea suddenly making nice for the duration of next month's Olympic Games in South Korea, putting seven decades of enmity on hold for 16 days with its offers to send athletes and entertainers across their heavily militarized border, won't fundamentally change what happens next. When the Olympic flame has been extinguished, North Korean leader Kim Jong Un will continue to use every tool at his disposal, including his gulags and thought police, to maintain his iron grip on power, demanding unfailing loyalty from each and every North Korean, just as his grandfather and father did before him.