Mueller report reveals a White House of lies; Sarah Sanders' lack of credibility; inside CNN's 18 months of reporting on the Mueller probe; viral video shows hypocrisy of Fox hosts; Jay Rosen warns about 'authoritarian news system'

April 21, 2019: Katie Rogers, Ezra Klein, April Ryan, Tim Naftali, Jay Rosen, Nicole Hemmer, and Katelyn Polantz join Brian Stelter.

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