The US State Department's top diplomat in charge of North Korea policy is retiring at the end of the week.
원문출처 : https://www.cnn.com/2018/02/26/asia/joseph-yun-north-korea-intl/index.html
원문출처 : https://www.cnn.com/2018/02/26/asia/joseph-yun-north-korea-intl/index.html