North Korean leader Kim Jong Un has expressed satisfaction with the outcome of recent talks between his country's delegation and U.S. officials, state media reported Thursday.Kim received a letter from U.S. President Donald Trump and instructed his staff to step up preparations for a second summit between Washington and Pyongyang, according to the Korean Central News Agency.The United States and North Korea made an agreement last week that Trump and Kim will hold their next summit "near the end of February" at a location to be announced at a later date. Vietnam has been floated as the most …READ FULL ARTICLE