Executive Chairman of Google Eric Schmidt, center, arrives at Pyongyang International Airport in Pyongyang, North Korea on Monday, Jan. 7, 2013. Schmidt arrived in the North Korean capital along with former New Mexico Gov. Bill Richardson. Richardson called the trip to North Korea a private humanitarian visit. (AP Photo/David Guttenfelder)

Associated Press
Executive Chairman of Google Eric Schmidt, center, arrives at Pyongyang International Airport in Pyongyang, North Korea on Monday, Jan. 7, 2013. Schmidt arrived in the North Korean capital along with former New Mexico Gov. Bill Richardson. Richardson called the trip to North Korea a private humanitarian visit. (AP Photo/David Guttenfelder)
Executive Chairman of Google Eric Schmidt, center, arrives at Pyongyang International Airport in Pyongyang, North Korea on Monday, Jan. 7, 2013. Schmidt arrived in the North Korean capital along with former New Mexico Gov. Bill Richardson. Richardson called the trip to North Korea a private humanitarian visit. (AP Photo/David Guttenfelder)