Former New Mexico Gov. Bill Richardson is interviewed by journalists after arriving at Pyongyang International Airport in Pyongyang, North Korea, Monday, Jan. 7, 2013. Richardson arrived in the North Korean capital with Google Executive Chairman Eric Schmidt, and called the trip a private humanitarian visit. (AP Photo/Kim Kwang Hyon)

Associated Press
Former New Mexico Gov. Bill Richardson is interviewed by journalists after arriving at Pyongyang International Airport in Pyongyang, North Korea, Monday, Jan. 7, 2013. Richardson arrived in the North Korean capital with Google Executive Chairman Eric Schmidt, and called the trip a private humanitarian visit. (AP Photo/Kim Kwang Hyon)
Former New Mexico Gov. Bill Richardson is interviewed by journalists after arriving at Pyongyang International Airport in Pyongyang, North Korea, Monday, Jan. 7, 2013. Richardson arrived in the North Korean capital with Google Executive Chairman Eric Schmidt, and called the trip a private humanitarian visit. (AP Photo/Kim Kwang Hyon)
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