**FILE** In this photo from Sept. 16, Stephen Bosworth, U.S. special envoy to North Korea, speaks to reporters in Beijing, China. Mr. Bosworth will visit South Korea, Japan and China as fears rise that North Korea is ramping up its nuclear program. South Korea's Foreign Ministry said Stephen Bosworth is to arrive in Seoul on Sunday for a two-day trip aimed at discussing the North's nuclear weapons program. (Associated Press)

Photo by: Alexander F. Yuan

**FILE** In this photo from Sept. 16, Stephen Bosworth, U.S. special envoy to North Korea, speaks to reporters in Beijing, China. Mr. Bosworth will visit South Korea, Japan and China as fears rise that North Korea is ramping up its nuclear program. South Korea's Foreign Ministry said Stephen Bosworth is to arrive in Seoul on Sunday for a two-day trip aimed at discussing the North's nuclear weapons program. (Associated Press)