Hey, I'm Brian Stelter, and this is Reliable Sources, our weekly look at the story behind the story.

So let's get right to that.

Carl Bernstein, Olivia Nuzzi, and David Frum are all standing by to analyze coverage of the impeachment hearings and to look at

how Rudy Giuliani is using a far right-wing TV channel to blow smoke. Plus

politicians using the courts to punish the press we're going to have a look at what

Congressman Devon Newnes has been doing and later startling findings from a new

study about how we all consume news on our smartphones this This is something that impacts everyone and

you're going to want to see the findings. But first, let's be a little bit different.

Let's go way back in time today. Way back in time because President Trump is the fourth president in U.S. history

to face impeachment in the House.

Can you imagine how the news spread during the impeachment of Andrew Johnson in 1868.

It spread by print newspaper, by telegram, by mail, and by word of mouth.

It spread very slowly. Now fast forward a hundred years, the move to impeach

Richard Nixon played out on live broadcast TV and then by the time Bill Clinton

was impeached there was broadcast and cable TV but it was still traditional one to many media that ruled the day.

The World Wide Web was still new.

It was happening around this time of year, right?

December of 1998 but the internet was

was barely a powerful force yet look there are some obvious parallels between

the Clinton and Trump impeachment, an incredibly polarized Congress,

but there are huge differences as well and the biggest difference is the internet.

What was a novelty then is now an extension of our brains and bodies.

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