Robert King, left, U.S. special envoy for North Korean human rights issues, and U.S. citizen Eddie Jun, right, prepare to leave Pyongyang, North Korea, on Saturday May 28, 2011. (AP Photo/Kyodo News)

Robert King, left, U.S. special envoy for North Korean human rights issues, and U.S. citizen Eddie Jun, right, prepare to leave Pyongyang, North Korea, on Saturday May 28, 2011. (AP Photo/Kyodo News)