Kim Jong Un’s sister, is the most powerful woman in North Korea

 The trip by Kim Yo Jong is the latest move in an extraordinary show of Olympic diplomacy with Seoul that could prove to be a major challenge to the Trump administration’s hard-line Korea policies.

North Korean leader Kim Jong Un’s younger sister took her place among dignitaries from around the world, including U.S. Vice-President Mike Pence, at the opening ceremony of the Pyeongchang Winter Olympics on Friday in an unprecedented visit to South Korea.