Article snippet: Congress is ratcheting up political pressure on Facebook after reports that a political data analytics firm employed by President Donald Trump’s 2016 campaign received personal data and information from up to 50 million profiles on the popular social networking site. Lawmakers involved in congressional investigations into Russian election interference have renewed interest in the platform, calling for top company leaders to testify on Capitol Hill and more scrutiny of safeguards meant to protect user data. “I think it’s time for the CEO, Mr. [Mark] Zuckerberg, and other top officials to come and testify and not tell part of the story, but tell the whole story of their involvement -- not only with the Trump campaign but their ability to have their platform misused by the Russians,” Sen. the Senate Intelligence Committee, told ABC News. “These tech platforms .... need to be more forthcoming or Washington is going to start imposing rules and regulations that may not fit,” he warned. Sens. Amy Klobuchar, D-Minn., and John Kennedy, R-La., members of the Senate Judiciary Committee, wrote to chairman Chuck Grassley requesting a hearing with social media company CEO’s, including Zuckerberg. Facebook letter from Senate Judiciary Committee 3.19.2018 by ABC News Politics on Scribd On Saturday, The New York Times and The Observer of London reported that the data firm, Cambridge Analytica, mined data from millions of Facebook users -- largely without pe... Link to the full article to read more