Hey, I'm Brian Seltar, live in New York, and this is Reliable Sources, where we examine

the story behind this story, and figure out what is reliable.

This hour, gaggle, squabbles, battles, endless stories about Dems in Disarray, but how much

of that is just media hype?

We will have a reality check from a veteran Capitol Hill reporter coming up.

Plus, the New York Times columnist who exposed a hype profile digital media company as a

house of cards.

Ben Smith will join me live, talking about the remarkably rapid collapse of Aussie media.

And later, the incredible journey of a journalist battling cancer and months of chemotherapy,

all while still meeting deadlines five times a week, her inspiring story is ahead.

The first Facebook, back on the hot seat.

This time, the conversation is about children, and the damaging effects that platforms

like Facebook and Instagram are having.

This conversation has been largely driven by a whistleblower, who apparently leaked documents

to the Wall Street Journal.

Documents exposing Facebook's own findings that the platform is negatively impacting the

mental health of teen users.

There were many other revelations in the journal series, and now the whistleblower is that

to testify at a Senate hearing in the days ahead.

But first, that person will share their side of the story, their experiences inside Facebook

on 60 minutes tonight.

60 minutes, of course, the highest rated newscast in America.

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