Sen. Warner: Facebook's ad policy allows politicians to 'lie with impunity'

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Sen. Warner: Facebook's ad policy allows politicians to 'lie with impunity'

CNBC's "Closing Bell" team is joined by Senator Mark Warner (D-Va.) to discuss his letter to Facebook CEO Mark Zuckerberg, asking the CEO to reconsider the social media giant's political ad policies.
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Tue, Oct 29 20194:02 PM EDT