https://www.vox.com/recode/2020/2/25/21153061/bloomberg-bernie-sanders-tweets-twitter-fake-dictators-fidel-castro-putin-kim-jong-un

The Bloomberg campaign’s controversial tweets fictitiously quoting Bernie Sanders, briefly explained.

On Monday, presidential hopeful and former New York City Mayor Mike Bloomberg’s campaign posted — and then deleted — several controversial tweets about rival Sen. Bernie Sanders that prompted confusion and tested the rules of what political campaigns can share on social media.