She left Facebook concerned, and with copies of thousands of pages of research. Meet the Facebook whistleblower. Scott Pelley reports, 60 Minutes Sunday. | 60 Minutes

Twitter and Facebook have started flagging dubious election and COVID-19 content, but making social media providers legally liable for user content could mean Facebook, Twitter, Wikipedia, Yelp and so many others would not continue as we know them. https://cbsn.ws/3pMzTNq | 60 Minutes

Facebook whistleblower Frances Haugen says political parties have been quoted in Facebook’s own research saying they know Facebook changed its algorithm and “now if [they] don't publish angry, hateful, polarizing… content,” there’s less engagement. https://cbsn.ws/3DdzHxw Facebook’s written response to 60 Minutes can be read here: https://cbsn.ws/3a3HQba | 60 Minutes

SUNDAY: President Donald Trump sits down with 60 Minutes' Norah O'Donnell for an exclusive, wide-ranging interview. 60Minutes.com | 60 Minutes

Watch more of Lesley Stahl’s interview with President Trump, Sunday. | 60 Minutes