North Korean leader Kim Jong-un followed by president of the presidium of the Supreme People’s Assembly Kim Yong-nam after a military parade in Pyongyang in May 2016. Kim Yong-nam will represent the North at the Winter Olympics. Photograph:  Ed Jones/AFP/Getty Images

North Korea will send its ceremonial head of state, Kim Yong-nam, to the Winter Olympics at the head of its delegation, and South Korea’s president Mo(...)