Rare Trip to North Korea

<b>December 7: </b>U.S. special envoy to North Korea Stephen Bosworth, left, and South Korea's nuclear envoy Wi Sung-lac pose before their meeting at the Foreign Ministry in Seoul.

Dec. 7: Obama's special envoy for North Korea, Stephen Bosworth leaves after meeting with South Korean nuclear envoy Wi Sung-lac at the Foreign Ministry in Seoul, South Korea. (AP2009)

 Dec. 7: A South Korea protester with a portrait of  Obama, right, and North Korean leader Kim Jong Il shouts a slogan during a rally to denounce the United States' policy against North Korea in front of the Foreign Ministry in Seoul, South Korea.

Dec. 8:  In this photo released by Korean Central News Agency via Korea News Service in Tokyo,  Obama's special envoy for North Korea, Stephen Bosworth, is welcomed by an unidentified North Korean official, right, upon arrival at Pyongyang airport, North Korea. (AP2009)

Dec. 8: In this photo released by China's Xinhua news agency,  Obama's special envoy for North Korea, Stephen Bosworth, followed by Ambassador Sung Y. Kim, right, special envoy for six-party talks, walks upon arrival at Pyongyang airport, North Korea.

Dec. 8: In this photo released by China's Xinhua news agency, U.S. President Barack Obama's special envoy for North Korea, Stephen Bosworth, center, gets out of a bus upon arrival at Pyongyang airport, North Korea.

Dec. 8: Obama's special envoy for North Korea, Stephen Bosworth, right, and other members leave for North Korea at a hotel in Seoul, South Korea.

Dec. 7: A South Korean protester standing beside a portrait of North Korean leader Kim Jong Il shouts a slogan during a rally to denounce the U.S. policy against North Korea in front of the Foreign Ministry in Seoul, South Korea.

Dec. 7: A South Korea protester with a portrait of  Obama, right, and North Korean leader Kim Jong Il shouts a slogan during a rally to denounce the United States' policy against North Korea in front of the Foreign Ministry in Seoul, South Korea.