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PBS News Hour

DHS official urges confidence, patience regarding election

With only a few days remaining before Election Day, U.S. security officials anticipate that millions of Americans will be exposed to even more misinformation online than they already have. Christopher Krebs, director of the Cybersecurity and Infrastructure Security Agency at the Department of Homeland Security, joins William Brangham to discuss the effort to detect and mitigate misinformation.

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