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McCain Backs Disclosure of Political Ads on Social Media

John McCain

John McCain

Photographer: Andrew Harrer/Bloomberg

Senator John McCain is the first Republican co-sponsor of a bill that would require disclosure of who’s paying for political ads on social media networks including Facebook, Twitter and Alphabet Inc.’s Google.

The bill, authored by Democratic Senators Amy Klobuchar of Minnesota and Mark Warner of Virginia, came after the three companies acknowledged Russian exploitation of their networks to spread propaganda and chaos during the 2016 campaign.