https://www.reuters.com/article/us-facebook-cambridge-analytica-zuckerbe/facebook-ceo-plans-to-testify-before-u-s-congress-source-idUSKBN1H32MG

Facebook Inc chief executive Mark Zuckerberg will appear before the U.S. Congress to answer questions on data privacy and other issues, but it is not clear to which committee or committees he will testify, a source briefed on the matter said on Tuesday.