by Sunghee Hwang SEOUL, South Korea (AFP) — North Korean leader Kim Jong Un’s influential sister slammed the US and South Korea on Tuesday, state media reported, as the new US secretaries of state and defence began a visit to Tokyo and Seoul. The US and South began joint military exercises last week and Pyongyang’s official Rodong Sinmun newspaper carried a statement from Kim Yo Jong offering “a word of advice to the new administration […]