Anti-Defamation League CEO on more companies joining Facebook ad boycott

Earlier this month, the Anti-Defamation League and five other companies called on corporations to drop advertising with Facebook for the month of July in protest of the social media giant's content moderation policy. Jonathan Greenblatt, CEO and national director of the ADL, joins "Squawk Box" to discuss.
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Mon, Jun 29 20208:30 AM EDT