North Korea Issues Fiery Threat Amid Frustrations With the Biden Administration Paul D. Shinkman © (Jorge Silva/Pool/AP-File) FILE - In this March 2, 2019, file photo, Kim Yo Jong, sister of North Korean leader Kim Jong Un, attends a wreath-laying ceremony at Ho Chi Minh Mausoleum in Hanoi, Vietnam. In North Korea's first comments directed at the Biden administration, Kim Yo Jong criticized the United States and South Korea for holding military exercises and warned the U.S. against further provocations if it wants a "good night's sleep for the next four years." Her statemen...