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Richard Engel: ‘Profound’ fear of civil war inside Afghanistan after U.S. troops depart

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NBC chief foreign correspondent Richard Engel reports from Kabul, Afghanistan, discussing what he calls the "profound" fear inside of Afghanistan about a potential Taliban takeover of the country after U.S. troops leave: "They don't know how severe the civil war will be. They don't know whether it will be a partial civil war or a total collapse."