Here is a quick three from me, I know you asked for Buck, but this is a very important topic to understand so I jumped in.
1.
The Russians set up protests in our country to sow discord and were able to use this to amplify their influence in different communities.
2.
Trump using Russian propaganda to sell people against a movement that was about asking police to not shoot black people. This was used by Russians on both sides again, and used to suppress the black vote by gaining their trust online and pushing a don't vote campaign to them.
3.
https://www.usatoday.com/story/sports/nfl/2018/10/22/russian-bots-twitter-trolls-nfl-national-anthem-controversy/1732873002/
They also found that the ones that really pushed this whole kneeling thing was the Russian trolls. Nobody else really cared about it, but the Russians would spam the reports on kneeling, so much so that the 'news' would pick it up. This also made it hard for people to get together and watch football together without polarizing people with taking a side.