Mueller report details the evolution of Russia's troll farm as it began targeting US politics

On Thursday, Attorney General William Barr released the long-anticipated Mueller report. With it comes a useful overview of how Russia leveraged U.S.-based social media platforms to achieve its political ends. While we've yet to find too much in the heavily redacted text that we didn't already know, Mueller does recap efforts undertaken by Russia's mysterious Internet Research Agency or "IRA" to influence the outcome of the 2016 presidential election.