The younger sister of North Korean leader Kim Jong Un will visit South Korea this week as part of Pyongyang's high-level delegation to the Pyeongchang Winter Olympics, the South's Unification Ministry said Wednesday.North Korea informed South Korea the same day that Kim Yo Jong, the first vice director of the ruling party's Propaganda and Agitation Department and considered one of the closest aides to her brother, will be included in the delegation led by the North's ceremonial leader Kim Yong Nam, according to the ministry.South Korea's presidential office welcomed Kim Yo Jong's planned vi…READ FULL ARTICLE