U.N. Secretary General Antonio Guterres said Sunday he is planning to visit Japan by year-end to discuss with Prime Minister Shinzo Abe a range of issues including North Korea's nuclear development."Japan is a very important partner of the U.N. I am looking forward to that visit and talking about everything," Guterres said in an interview with Kyodo News on the official U.N. aircraft. He is expected to underscore the need for a political solution to the North Korean issue.North Korea has continued testing nuclear weapons and missiles despite U.N. sanctions.Abe and Guterres will also likely …READ FULL ARTICLE