Google, Facebook and Twitter come under congressional scrutiny

Sens. Patrick Leahy, D-Vt., right, and Al Franken, D-Minn.,at a hearing. File photo by Elizabeth Hewitt/VTDiggerWASHINGTON — Executives from Google, Facebook and Twitter testified before Congress Tuesday about their role in a massive Internet misinformation campaign pushed by Russian propagandists to influence the 2016 presidential election.The Senate Judiciary Committee grilled the tech giants about how their platforms were used by Russians to disseminate propaganda through fake news stor