http://www.washingtonpost.com/blogs/the-switch/wp/2017/11/01/fiery-exchanges-on-capitol-hill-as-lawmakers-scold-facebook-google-and-twitter/

Senators from both parties took tech company officials to task in a hearing Wednesday for failing to better identify, defuse and investigate Russia's campaign to manipulate American voters over social media during the 2016 presidential campaign.

In the second of three Capitol Hill hearings this week on Russian's online information operation, members of the Senate intelligence committee challenged Facebook, Google and Twitter in strikingly direct terms that, at times, seemed to carry the implicit threat of legislation that could reign in the nation's wildly profitable technology industry.