SEOUL, Nov. 20 (UPI) -- Kenneth Bae, the Korean-American missionary who endured 735 days as a political prisoner in North Korea , is now leading a renewed international effort to realize a unified Korean Peninsula. Bae, 57, a naturalized U.S. citizen, was the longest-held American citizen in North Korea since the Korean War -- an experience he now views as a mission to become a "voice for the voiceless" North Korean people. Bae's ordeal began in 2012 when he was arrested while leading his 18th "