Justin Hendrix / In "the wake of the Russian Federation’s illegal invasion of Ukraine," a set of letters sent to Meta, Reddit, Telegram, TikTok, Twitter and Alphabet by Senator Mark Warner (D-VA), Chairman of the Senate Intelligence Committee, called on the technology platforms to take a "heightened posture towards exploitation of your platform[s] by Russia and Russian-linked entities engaged in information operations," noting that in past conflicts Russia used social media to "sow false narratives" and "cover up evidence of war crimes by distorting online conversations with false claims, conspiracy theories, and doctored media." The Senator urged YouTube and the other platforms to take a number of actions, including establishing mechanisms for Ukrainian public safety entities to…