https://finance.yahoo.com/news/facebooks-zuckerberg-meet-u-lawmakers-001941274.html > Zuckerberg is scheduled to appear before a joint hearing of the U.S. Senate Judiciary and Commerce committees on Tuesday and the U.S. House Energy and Commerce Committee on Wednesday. > Facebook has come under fire in recent weeks after it said that the personal information of up to 87 million users, mostly in the United States, may have been improperly shared with political consultancy Cambridge Analytica.