Over in Washington,... U.S. President Donald Trump appears unfazed by North Korea's weapons testing,... saying Kim Jong-un is unlikely to take action that will jeopardize progress on improving their relations.<br /> Trump tweeted Saturday that the North Korean leader does not want to "break his promise to him,"... and that a denuclearization deal "will happen."<br />Following the two leaders' second summit in Hanoi earlier this year,... Trump told reporters that Kim had promised to freeze testing nuclear weapons and rockets. <br />The U.S. president on Saturday added that Kim realizes the North's potential for economic growth,... saying the young dictator will do "nothing to interfere or end it." <br />