Renee DiResta and Yael Eisenstat discuss the Wall Street Journal's "Facebook Files" series. "Lawmakers on both sides see there are real problems, but there's no real consensus what to do about them," DiResta says. Eisenstat says "it's time for the government to step up and protect the public."

Congressman Adam Smith (D-WA) talks with Brian Stelter about the aftermath of Jan. 6 and other threats to democracy. He says the new book "Peril" misrepresents one of his conversations with Gen. Mark Milley. Smith expresses support for Milley amid controversy.

Brian Stelter points out that the press outnumbered the protesters in Washington on Saturday. "Some of the images can get kind of ridiculous," Evan Osnos says, but rally attendance "is not a sign that these kinds of divisions have gone away." David Zurawik says the dangers of far-right extre…

CNN's Brian Stelter speaks with Renee DiResta, Research Manager at Stanford Internet Observatory, and Yael Eisenstat, Future of Democracy Fellow at the Berggruen Institute, about people at home doing their own research into the Covid-19 vaccines.

In the earliest days of the pandemic, why did scientists, first consider, then quickly dismiss that this virus could be bio-engineered? A CNN special report, hosted by Dr. Sanjay Gupta, delves into the potential origins of the virus that caused the pandemic. -- Sunday at 8 p.m. ET/PT on CNN.