U.S. News & World Report | Tillerson presses China to apply oil leverage on North Korea ABC News U.S. Secretary of State Rex Tillerson on Thursday urged China to use its leverage as North Korea's principal supplier of oil to press the isolated nation into reconsidering its development of nuclear weapons. The Trump administration sought an embargo ... US Calls on China to Use 'Powerful Tool' of Oil to Sway North Korea The Latest: US urges China to use oil leverage on NKorea Tillerson Says Imposing Oil Embargo on North Korea Will Be 'Very Difficult' |