Earlier this week, the Justice Department said that for the first time, it had disrupted a Russian propaganda campaign that attempted to use artificial intelligence to inflame election-year divisions in U.S. society. John Yang speaks with Nina Jankowicz, co-founder and CEO of the American Sunlight Project, to learn more about how U.S. officials are fighting foreign propaganda on social media. PBS News is supported by - https://www.pbs.org/newshour/about/funders
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