https://www.theguardian.com/technology/2018/oct/17/vast-archive-of-tweets-reveals-work-of-trolls-backed-by-russia-and-iran

Two misinformation campaigns spent years sowing discord in US and elsewhere

More than 10m tweets sent by state actors attempting to influence US politics have been released to the public, forming one of the largest archives of political misinformation ever collated.