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  [Sejong Focus] The Evolution of North Korea's Nuclear and Missile Threats and Key Tasks for ROK-US-Japan Deterrence Cooperation

  2026-06-01 조회수 : 14,423 Seong-Chang CHEONG

  North Korea's nuclear and missile threats are no longer confined to a regional menace aimed directly at South Korea alone. By simul...

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  [Sejong Focus] Trump's America and the Evolution of the International Community's Response

  2026-05-18 조회수 : 12,872 Yeocheol YOON

  Trump's return to the presidency following his re-election in November 2024 has posed challenges to America's allies and adversarie...

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  [Sejong Focus] The Constitutionalization of North Korea's 'Two-States' Doctrine and a New Vision for Inter-Korean Relations

  2026-05-18 조회수 : 11,586 Taewon HA

  The 'two hostile states doctrine' declared by North Korean State Affairs Commission Chairman Kim Jong Un did not end as a mere poli...

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  [Sejong Focus] From Denuclearization to a Freeze: South Korea's Strategy for Resolving the North Korean Nuclear Issue, the Abduction Issue, and Japan–DPRK Relations

  2026-05-14 조회수 : 11,584 Seong-Chang CHEONG

  The relations between North Korea and Japan remain an unfinished task of East Asian diplomacy, failing to achieve normalization for 8...

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  [Sejong Focus] The Takaichi Government's Announcement of the "Evolution of a Free and Open Indo-Pacific (FOIP)": Assessment and Implications

  2026-05-14 조회수 : 11,524 Kitae LEE

  Japan's announcement of the "Evolution of a Free and Open Indo-Pacific (FOIP)" by Prime Minister Takaichi Sanae(高市早苗) in Hanoi, V...

• (Brief 2026-21) Potential Changes in China's and Russia's Middle East Strategies as Seen Through the Iran War

  2026-05-13 조회수 : 5,613 Jae-hung CHUNG

  Potential Changes in China's and Russia's Middle East Strategies as Seen Through the Iran War Jae-hung CHUNGjameschung@sejong.orgSenio...

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  [Sejong Focus] The Iran War is a Preventive War in Violation of International Norms

  2026-05-12 조회수 : 12,282 Seong-Whun CHEON Visiting Research Fellow

  At the October 29, 2025 U.S.–ROK summit in Gyeongju, President Donald Trump accepted President Lee Jae-myung’s request regarding Sout...

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  [Sejong Focus] The Prospects and Strategic Implications of Cross-Border Tourism among North Korea, China, and Russia: Focusing on the Restructuring of Border Transportation and Exchange

  2026-05-07 조회수 : 12,194 Eunju CHOI

  North Korea's external exchange, which has been gradually restored since COVID-19 with a focus on freight transportation, is now expand...

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  [Sejong Focus] Two Pathways for Korea–U.S. Naval Nuclear Fuel Cooperation and Strategies for Securing Congressional Support

  2026-04-29 조회수 : 11,249 Seong-Chang CHEONG

  At the October 29, 2025 U.S.–ROK summit in Gyeongju, President Donald Trump accepted President Lee Jae-myung’s request regarding Sout...

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  [Sejong Focus] The Transformation and Challenges of ROK-U.S.-Japan Security Cooperation under the Second Trump Administration

  2026-04-28 조회수 : 14,777 Bee Yun JO

  Since embarking in earnest on the development of “short-range solid-propellant missiles” in the first half of 2019, North Korea has ste...