White House shifts North Korea policy to "strategic accountability"

Joint byline by Defense Secretary Jim Mattis and SecState Rex Tillerson on lead Wall Street Journal op-ed, "We're Holding Pyongyang to Account:" The U.S., its allies and the world are united in our pursuit of a denuclearized Korean Peninsula":

"[T]he Trump administration, with the support of the international community, is applying diplomatic and economic pressure on North Korea to achieve the complete, verifiable and irreversible denuclearization of the Korean Peninsula and a dismantling of the regime's ballistic-missile programs. We are replacing the failed policy of 'strategic patience,' which expedited the North Korean threat, with a new policy of strategic accountability."