The thaw in relations between the two Koreas during the Winter Olympics in South Korea should be utilized to make progress toward peace on the Korean Peninsula, former U.N. Secretary General Ban Ki Moon said Tuesday."We must keep alive this hard-won momentum for dialogue" so that the narrow window of opportunity provided can lead to "a more meaningful and genuine dialogue process of reconciliation, peace and ultimate denuclearization of North Korea," he said at the U.N. Security Council.Earlier this month, a North Korean delegation, including Kim Jong Un's younger sister and close aide, Kim…READ FULL ARTICLE