https://www.reuters.com/article/us-facebook-cambridge-analytica-zuckerbe/house-committee-to-invite-facebooks-zuckerberg-to-testify-idUSKBN1GY2EQ

The Republican chairman and top Democrat of the U.S. House Energy and Commerce Committee said on Thursday they will in the coming days formally ask Facebook Chief Executive Mark Zuckerberg to testify, saying the company has left many questions unanswered about its data privacy practices.