Timothy L. O'Brien, Columnist

Facebook Has Helped Sow Doubts About Covid Vaccines

Can Mark Zuckerberg stop the spread of a dangerous message?

March 17, 2021 at 9:30 AM UTC

Timothy L. O'Brien is senior executive editor of Bloomberg Opinion. A former editor and reporter for the New York Times, he is author of “TrumpNation: The Art of Being the Donald.”

Gatekeeper.
Photographer: Justin Sullivan/Getty Images

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If you were running the most influential social media platform in the world and small groups on your website kept demonstrating an outsized ability to warp attitudes about Covid-19 and other pivotal issues, how would you respond?

A) Study the behavior.

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