The U.S. and South Korean governments have welcomed North Korea's announcement on Saturday that it will dismantle its nuclear test site between May 23 and May 25.U.S. President Donald Trump took to Twitter on Saturday to express his thanks, calling the North's move ahead of his summit with North Korean leader Kim Jong Un on June 12 "a very smart and gracious gesture."North Korea will hold a ceremony for dismantling its Punggye-ri nuclear test site, depending on weather conditions, the Foreign Ministry was quoted Saturday by state-run media as saying, ahead of the landmark U.S.-North Korea s…READ FULL ARTICLE