Facebook CEO Mark Zuckerberg is appearing on Capitol Hill for a second day of hearings about protecting its users' data.
The House Energy and Commerce Committee hearing follows in the Senate. Facebook is under scrutiny after revelations that the data-mining and political consulting firm Cambridge Analytica . The company is accused of using that data to target American voters in the 2016 election.
Watch the hearing live via the video below beginning at 10:00 a.m: