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The annual IISS Shangri-La Dialogue just wrapped up in Singapore where defense ministers gathered to discuss security concerns in Asia and around the world. To shed some light on key global issues and challenges facing the world today, our host Xu Qinduo talked to two participants of the summit, Cui Tiankai, former Chinese Vice Foreign Minister in the first half, and Chen Dongxiao, President of the Shanghai Institutes for International Studies in the second half.