Facebook's FTC probe rocked the stock. But will anything rein in Facebook?

Facebook's FTC probe rocked the stock. But will anything rein in Facebook?  USA TODAY Facebook will send a top exec to appear in front of UK lawmakers, but not CEO Mark Zuckerberg  CNBC Dozens of US states are demanding answers from Facebook over the Cambridge Analytica scandal  Business Insider Facebook scraped call, text message data for years from Android phones [Updated]  Ars Technica Cook County sues Facebook, Cambridge Analytica after alleged misuse of millions of Illinoisans' data  Chicago TribuneFull coverage