Zuckerberg defended the company, saying the accusations were at odds with Facebook's goals.
A former Facebook employee took to CBS news show 60 Minutes to share revelations about how the company knew it was “tearing our societies apart.”
Haugen, who previously worked at Google and Pinterest, said Facebook has lied to the public about the progress it made to clamp down on hate speech and misinformation on its platform.
The whistleblower revealed that the TSA did not give its staff training to adapt to the coronavirus outbreak.
"Can you see it from heaven? The last gift you gave me was born today. I will definitely take good care of them," Fu Xuejie, the widow of Dr. Li Wenliang, wrote on Chinese social media.
Paul uttered the name in a question that US Supreme Court Chief Justice John Roberts had earlier declined to read as the presiding officer of the trial.
The impeachment inquiry threatens Trump's presidency even as he seeks re-election in 2020.
"Simply put, he or she has done what our law demands; now he or she deserves our protection."
Gordon Sondland, who donated $1 million to the Republican president's inauguration committee, will meet behind closed doors with staff of three Democratic-led House committees.
Lawyer Mark Zaid said the person has first-hand knowledge of some of the allegations involving the first whistleblower complaint, which triggered impeachment proceedings against Trump.