Hey, I'm Brian Stelter live in New York, and this is reliable sources.

Our weekly look at the story behind the story.

Coming up, Kirsten Powers, David Zerwick, Susan Glasser, and so many more.

We're going to be talking about Mars

Zuckerberg fending off this stop hate for profit ad boycott

campaign that's being organized right on social media.

We have a top Facebook executive Nick Clegg standing by he'll join me for an exclusive interview in just a few minutes.

Plus, later this hour, two journalism legends are here, long time PBS Bill Moyers on threats to democracy and former Good Morning America host Joan

London and want to hear what she's doing to help separate fact from fiction on the

wild world wide web. But first a question that applies to all of us right now, what is the

cost of lies? Those are the first words in the HBO miniseries Chernobyl.

Last year's award-winning dramatization

of the 1986 nuclear disaster in the Soviet Union.

Secrecy, state deception, and Democline.

Those are the themes from Chernobyl. They affected millions of people back then.

So the miniseries starts by saying, what is the cost of lies?

It is not that we will mistake them for the truth. The real danger is that if we

hear enough lies, then we no longer recognize the truth at all.

Coronovirus is not a nuclear accident, of course. But if you watch the

miniseries or you read about Chernobyl, as I did this week, you will notice

parallels between the Soviet screw-ups then and the Chinese failures this

year. I mean look at the Wall Street Journal. This is pointed out that earlier this year the Chinese

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