President Obama returning to United States after four-nation tour of Asia . Obama announced plans to send envoy to North Korea for nuclear talks . The White House says the trip is part of Obama's effort to build a global coalition against terrorism and will include stops in Japan, South Korea, China, Vietnam and Laos.
President Obama returning to United States after four-nation tour of Asia . Obama announced plans to send envoy to North Korea for nuclear talks . Obama met with South Korean President Lee Myung-bak to discuss free trade agreement .