The United States' new envoy to North Korea will make his first trip to South Korea, China and Japan next week for talks with officials of the three countries on ways to denuclearize Pyongyang, the State Department said Thursday.The trip by Stephen Biegun, who was named the U.S. special representative to North Korea last month, comes ahead of a summit between South Korean President Moon Jae In and the North's leader Kim Jong Un on Sept. 18-20 in Pyongyang.Biegun will travel to Seoul, Beijing and Tokyo from Monday through Saturday, the department said in a statement, without providing detail…READ FULL ARTICLE