Journalism during the disinformation wars; Study finds $235 million spent every year on ads on extremist sites; Russian site launches smear campaign against CNN's Clarissa Ward; How to avoid taking the bait when covering president Trump; WSJ report tallie

August 18, 2019: Adam Serwer, Mary C. Curtis, Jim Rutenberg, Catherine Rampell, Bari Weiss, Clarissa Ward, Danny Rogers, Matt Rivitz, Donie O'Sullivan, Oliver Darcy and Carole Cadwalladr join John Avlon.

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