U.S. to 'hold Taliban accountable' after Afghanistan exit
Clip: 04/14/2021 | 3m 58s | Video has closed captioning.
President Joe Biden formally announced Wednesday that the United States would withdraw all troops from Afghanistan by September 11, 20 years since the fateful day that led to the U.S. invasion. More than 2,300 American soldiers have lost their lives in what's become the country's longest war. John Yang begins our coverage.
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