https://www.reuters.com/article/us-usa-tech-congress/u-s-congress-grills-facebook-twitter-over-foreign-bids-to-tilt-politics-idUSKCN1LL14Q

Executives from Facebook Inc and Twitter Inc faced threats of legislative action from skeptical U.S. lawmakers on Wednesday over what many members of Congress see as a failure to combat foreign efforts to influence U.S. politics.