ISTANBUL North Korean leader Kim Jong Un vowed to transform the country into an "affluent" socialist "paradise" during an event marking the 80th anniversary of the ruling Workers' Party of Korea, state media said Friday. Kim made the promise in a speech at Pyongyang’s May Day Stadium the previous day, which was attended by foreign dignitaries and various groups, the Korean Central News Agency (KCNA) reported. Reflecting on the party's history, Kim said it had to balance both economic