The second US-North Korea Summit, held on February 27-28, 2019, concluded without an agreement, contrary to most expectations. This article discusses the difference in the positions of the US and North Korea regarding negotiations for denuclearization and identifies the movements of the US, North Korea, and South Korea since the Hanoi summit. It concludes with recommendations for the course of action Japan should take toward promoting peace and prosperity in Northeast Asia.

中文翻译：

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第二次美朝首脑会议评估和朝鲜无核化的未来历程

与大多数预期相反，2019年2月27日至28日举行的第二届美朝首脑会议没有达成协议就结束了。本文讨论了美国和朝鲜在无核化谈判方面立场的分歧，并指出了自河内峰会以来美国，朝鲜和韩国的运动。最后，提出了日本为促进东北亚和平与繁荣所应采取的行动方针的建议。