ContentsThe COV-19 and the Retrogression of Global Security CultureIN Yaqing Thinking Out of the “Assured Destruction”-Box:ntity of Nuclear Weapons, Commitment Credibilityand Rationale of Nuclear DeterrenceYANG Yuan Ideas, Institutions and Instruments—An Analysis Framework of the US National Security SystemSHI Bin Obligation-Based Cooraio:Role Theory and Sino-US Security Interactions in East AsiaLI Kaisheng “Standing Together with Mutual Assistance amid Difficulties”:Theoretical Innovation and Practical Path of Xi Jinpings Security ConceptZHANG Ying National Security Governance in the Era of Artifi Intelligence:Application Paradigm, Risk Identification and Path SelectionUE Tianshu and ZHANG Jiteng Whether China-US Relations Will Evolve into a “New Cold War”? Examine fo the Perspectives of Chinese ScholarsFU Boxi