https://www.cnbc.com/2018/03/27/facebook-ceo-mark-zuckerberg-will-reportedly-testify-before-congress.html >Facebook founder and CEO Mark Zuckerberg will testify before Congress on the Cambridge Analytica leak and the company's data practices in the coming weeks, CNN reported Tuesday. >Zuckerberg has been invited to testify by no fewer than three congressional committees in the wake of reports that research firm Cambridge Analytica improperly gained access to the personal data of more than 50 million Facebook users.