We fact checked what Facebook’s chief executive is telling lawmakers in congressional hearings about the social network’s responsibilities to users and more.
Sheera Frenkel covers cybersecurity from San Francisco. Previously, she spent over a decade in the Middle East as a foreign correspondent, reporting for BuzzFeed, NPR, The Times of London and McClatchy Newspapers. @sheeraf
Linda Qiu is a fact-check reporter, based in Washington. She came to the Times in 2017 from the fact-checking service PolitiFact. @ylindaqiu
