Denuclearization ‘off the table’ as North Korea rhetoric returns 

North Korea's ambassador to the United Nations said on Saturday that denuclearization is off the negotiating table with the United States and lengthy talks with Washington are not needed, the starkest statement yet emphasizing the gulf between the two sides ahead of a year-end deadline set by Pyongyang. U.S. President Donald Trump sought to play down a recent surge in tensions with North Korea,...