Facebook, Google and Twitter grilled by Congress over Russian meddling – as it happened

The tech giants went before Senate judiciary committee to explain how and why Russian operatives were given free rein to tamper with 2016 US electionRussia-backed Facebook posts reached 126m Americans during electionMark Warner: senator ready to take tech giants to task 9.40pm GMTWe’re going to wrap up our coverage of a senate panel questioning representatives of Facebook, Google and Twitter.Here’s what we learned:9.00pm GMTThe tech reps are done. There’s a second panel featuri