Facebook CEO Mark Zuckerberg has seen his company embroiled in scandal over the Russian campaign. Photo: Justin Sullivan / Getty Images

A Facebook tool to show users whether they followed pages placed by Russian operatives in the 2016 election went live on Friday. It covers pages and accounts on the company's main social network and its subsidiary Instagram between between January 2015 and August 2017.

Real talk: Facebook isn't telling users who didn't follow any of the pages whether they were exposed to the divisive content in their newsfeed when, for example, it was shared by a friend during the 2016 election. That's a far broader group than those who connected directly with the accounts.

How it works:

  • To find out if you followed one of the pages or accounts set up as part of the Russian campaign to encourage division during and after the 2016 election, go to this page.
  • You'll have to be logged into Facebook to use the tool, and may also have to log in to your Instagram account if you want to check your follows there, too.
  • You'll either see a message saying you didn't follow any of the pages or a list of the pages you did follow — along with the date you followed them.

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Illustration: Eniola Odetunde/Axios

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Mike Allen, author of AM
2 hours ago - Politics & Policy

Scoop: Mike Bloomberg's anti-chaos theory

CNN's Anderson Cooper questions Joe Biden last night at a drive-in town hall in Moosic, Pa., outside Scranton. Photo: CNN

Mike Bloomberg's $100 million Florida blitz begins today and will continue "wall to wall" in all 10 TV markets through Election Day, advisers tell me.

Why it matters: Bloomberg thinks that Joe Biden putting away Florida is the most feasible way to head off the national chaos we could have if the outcome of Trump v. Biden remained uncertain long after Election Day.

Biden's hardline Russia reset

Photo Illustration: Eniola Odetunde/Axios. Getty Images photos: Mark Reinstein

When he talks about Russia, Joe Biden has sounded like Ronald Reagan all summer, setting up a potential Day 1 confrontation with Russian President Vladimir Putin if Biden were to win.

Why it matters: Biden has promised a forceful response against Russia for both election interference and alleged bounty payments to target American troops in Afghanistan. But being tougher than President Trump could be the easy part. The risk is overdoing it and making diplomacy impossible.