[Machine Translation] Following the First and Second Nuclear Crises, and subsequently the Six-Party Talks, North Korea conducted its first nuclear test in October 2006. Since then, North Korea has continued to conduct repeated nuclear tests and missile launches. Why did the United States launch a military attack on Iran, yet do nothing about North Korea, which makes no secret of its nuclear ambitions? To demand that North Korea abandon its nuclear program, we need arguments and approaches that go beyond conventional frameworks. A leading expert on North Korea explains the current state of North Korea s nuclear and missile development and the future of nuclear negotiations with the United States.