U.S. Secretary of State Mike Pompeo expressed hopes... that Pyeongyang and Washington can make "substantial" progress on North Korea's denuclearization this year,... including the arrangement of a second summit. <br /> These remarks came during Pompeo's interview with Fox News on Friday,... where he said back-channel dialogue with the North is still being conducted.<br />While Pompeo noted that progress was being made in these talks,... he said no sanctions will be lifted until final, fully verified denuclearization of North Korea is achieved. <br />