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As the Taliban\u2019s closest ally, the country bears a big responsibility for Afghanistan\u2019s fate. We examine its diplomatic risks and opportunities. Mastercard is pressing porn purveyors this week; we look at how financial companies are reluctantly stepping up as the internet\u2019s police. And a timely social-inequality take drives South Korea\u2019s \u201cSquid Game\u201d to the top of Netflix's charts worldwide.

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