British MP Rory Stewart walked across Afghanistan after 9/11, talking with citizens and warlords alike. Now, a decade later, he asks: Why are Western and coalition forces still fighting there? He shares lessons from past military interventions that worked — Bosnia, for instance — and shows that humility and local expertise are the keys to success. (Recorded at TEDGlobal 2011, July 2011, in Edinburgh, Scotland. Duration: 20:30.)
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