U.S. Senator Blumenthal calls on Facebook's Zuckerberg to testify
https://www.reuters.com/article/us-facebook-children/u-s-senator-blumenthal-calls-on-facebooks-zuckerberg-to-testify-idUSKBN2HA288
U.S. Senator Richard Blumenthal, a Democrat, called on Wednesday for Facebook Chief Executive Officer Mark Zuckerberg to testify at a hearing about how its subsidiary Instagram affected children.