U.S. President Donald Trump says his North Korea policy is “doing great.” South Korean President Moon Jae-in says talks with North Korea are making “progress.” Yet the North’s government seems to disagree about the direction of nuclear talks with South Korea and the United States. North Korea’s Foreign Ministry Thursday criticized the two countries, and said it could completely pull out of the talks. The Korean Central News Agency reported the ministry’s statement. It added there is no guarantee negotiations would restart. The news agency noted North Korean leader Kim Jong Un’s demand that the United States change the way it negotiates. He wants a new U.S. approach to the talks by the end of the year. “Our repeated warning is not…an empty word,” said Kwon Jong Gun. He is director-general of the Department of American Affairs at the North Korean Foreign Ministry.