SEOUL, Oct. 10 (UPI) -- North Korean leader Kim Jong Un vowed to transform North Korea into a "more affluent and beautiful land" and a "socialist paradise" at an event marking the 80th anniversary of the ruling Workers' Party of Korea, state media reported Friday. Kim made the pledge during a speech at Pyongyang's May Day Stadium on Thursday, the official Korean Central News Agency said. The event, held on the eve of the anniversary, was attended by foreign dignitaries, including Chinese