Beat The Press takes a look back at the biggest media stories of 2019. In this segment: Facebook and Twitter grappled with providing a platform for hate speech and misinformation from politicians, conspiracy mongers, and beyond.

On this week’s edition of Beat The Press, Emily Rooney was joined by former NECN anchor Mike Nikitas; Joanna Weiss of Northeastern University’s Experience Magazine; Dan Kennedy of Northeastern University; and Callie Crossley of WGBH News.