Mark Zuckerberg faced a gruelling examination from the Democratic lawmaker Alexandria Ocasio-Cortez on Wednesday, with questions over the Cambridge Analytica scandal and Facebook’s reluctance to police political advertising.

The Facebook CEO declined to disclose when he found out the company was harvesting and selling user data to influence elections. She also asked Zuckerberg about his 'dinner parties with far-right figures' and if at those meetings he addressed the popular rightwing theory that Facebook cracks down on conservative speech, a question Zuckerberg also dodged

