Mark Zuckerberg

Subcommittee chairman Sen. Richard Blumenthal, D-Conn., questions former Facebook employee and whistleblower Frances Haugen during a Senate Committee on Commerce, Science, and Transportation hearing on Capitol Hill on Tuesday, Oct. 5, 2021, in Washington. (Drew Angerer/Pool via AP)

Sen. Blumenthal calls on Facebook CEO Zuckerberg to testify

Sen. Richard Blumenthal (R-Conn.) doubled down on his calls for Facebook’s CEO to testify before the Senate following a whistleblower’s claims. In an interview Wednesday, the Republican lawmaker said Mark Zuckerberg has an obligation to tell the public about how his company is weaponizing hate speech and endangering children.