https://www.reuters.com/article/usa-congress-facebook-whistleblower/whistleblower-says-facebook-pushed-for-higher-profits-cavalier-over-safety-idUSKBN2GV10F >Facebook is set to take another pounding in Congress on Tuesday as a whistleblower who left with tens of thousands of internal documents told lawmakers how the company pushed for higher profits while being cavalier about user safety.