North Korean missile tests signal return to brinkmanship

  • FILE - In this photo taken during Dec. 27 - Dec. 31, 2021 and provided by the North Korean government, North Korean leader Kim Jong Un, center, attends a meeting of the Central Committee of the ruling Workers' Party in Pyongyang, North Korea. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP, File)

  • FILE - This photo provided by the North Korean government shows what it says a test launch of a hypersonic missile on Jan. 11, 2022 in North Korea. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP, File)

SEOUL, South Korea — Grappling with pandemic difficulties and U.S.-led sanctions over his nuclear ambitions, North Korean leader Kim Jong Un could be reviving his 2017 playbook of nuclear and missile brinkmanship to wrest concessions from Washington and his neighbors.