U.S. Vice President Joe Biden, left, looks through binoculars to see North Korea with his granddaughter Finnegan Biden from Observation Post Ouellette during a tour of the Demilitarized Zone (DMZ), near the border village of Panmunjom, which has separated the two Koreas since the Korean War, South Korea, Saturday, Dec. 7, 2013. Biden praised North Korea's release of an elderly U.S. tourist Saturday, but admonished the North for detaining him in the first place and called for another detained American to be swiftly released. (AP Photo/Lee Jin-man, Pool)