U.S. nuclear envoy in Japan

U.S. nuclear envoy in Japan

TOKYO, Japan - Stephan Bosworth, U.S. special representative for North Korea policy, speaks to reporters at the Japanese Foreign Ministry in Tokyo on Jan. 7, 2011, after meeting with Japanese Vice Foreign Minister Kenichiro Sasae to discuss the situation on the Korean Peninsula.

U.S. nuclear envoy in Japan

U.S. nuclear envoy in Japan

TOKYO, Japan - Stephan Bosworth, U.S. special representative for North Korea policy, enters the Japanese Foreign Ministry in Tokyo on Jan. 7, 2011, for a discussion with Japanese Vice Foreign Minister Kenichiro Sasae on the situation on the Korean Peninsula.

U.S. nuclear envoy leaves China

U.S. nuclear envoy leaves China

BEIJING, China - Stephan Bosworth, U.S. special representative for North Korea policy, leaves China from Beijing airport Jan. 6, 2011. Bosworth discussed with senior Chinese officials the stalled six-nation talks on North Korea's denuclearization.

U.S. nuclear envoy leaves China

U.S. nuclear envoy leaves China

BEIJING, China - Stephan Bosworth, U.S. special representative for North Korea policy, leaves China from Beijing airport Jan. 6, 2011. Bosworth discussed with senior Chinese officials the stalled six-nation talks on North Korea's denuclearization.

Bosworth to visit Asia, Russia for N. Korea talks

Bosworth to visit Asia, Russia for N. Korea talks

TOKYO, Japan - Stephan Bosworth (in this file photo), the U.S. special representative for North Korea policy, will travel to Asia and Russia for nine days from May 6, the State Department said.

Bosworth to visit Asia, Russia for N. Korea talks

Bosworth to visit Asia, Russia for N. Korea talks

TOKYO, Japan - Stephan Bosworth (in this file photo), the U.S. special representative for North Korea policy, will travel to Asia and Russia for nine days from May 6, the State Department said. (Kyodo)

Bosworth to visit Asia, Russia for N. Korea talks

Bosworth to visit Asia, Russia for N. Korea talks

TOKYO, Japan - Stephan Bosworth (in this file photo), the U.S. special representative for North Korea policy, will travel to Asia and Russia for nine days from May 6, the State Department said. (Kyodo)

U.S. nuclear envoy in Japan

U.S. nuclear envoy in Japan

TOKYO, Japan - Stephan Bosworth, U.S. special representative for North Korea policy, enters the Japanese Foreign Ministry in Tokyo on Jan. 7, 2011, for a discussion with Japanese Vice Foreign Minister Kenichiro Sasae on the situation on the Korean Peninsula. (Kyodo)

U.S. nuclear envoy in Japan

U.S. nuclear envoy in Japan

TOKYO, Japan - Stephan Bosworth, U.S. special representative for North Korea policy, speaks to reporters at the Japanese Foreign Ministry in Tokyo on Jan. 7, 2011, after meeting with Japanese Vice Foreign Minister Kenichiro Sasae to discuss the situation on the Korean Peninsula. (Kyodo)

U.S. nuclear envoy leaves China

U.S. nuclear envoy leaves China

BEIJING, China - Stephan Bosworth, U.S. special representative for North Korea policy, leaves China from Beijing airport Jan. 6, 2011. Bosworth discussed with senior Chinese officials the stalled six-nation talks on North Korea's denuclearization. (Kyodo)

U.S. nuclear envoy leaves China

U.S. nuclear envoy leaves China

BEIJING, China - Stephan Bosworth, U.S. special representative for North Korea policy, leaves China from Beijing airport Jan. 6, 2011. Bosworth discussed with senior Chinese officials the stalled six-nation talks on North Korea's denuclearization. (Kyodo)