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The doyen of diplomacy has died, leaving a complex legacy. Following extensive interviews with him earlier this year, our deputy editor examines what Dr Kissinger stood for and whether his ideas will outlast him. As the COP28 climate summit begins, we look at an approach that deserves more attention: carbon dioxide removal (13:16). And our annual cost-of-living survey ranks the world\\u2019s priciest cities (22:36).

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