U.S. President Joe Biden is willing to meet with North Korean leader Kim Jong Un "without preconditions" to discuss the denuclearization of the Korean Peninsula, a senior White House official said Thursday."They have not responded positively to that offer, but it's still on the table. We are willing to sit down and negotiate without preconditions," White House national security spokesman John Kirby said in an interview with Kyodo News.Kirby made the remarks a day before Biden is set to host a trilateral summit with the leaders of Japan and South Korea, at which North Korea's rapid developme…READ FULL ARTICLE