I've noticed this awhile back but don't think I have posted about this. In the articles for various elections, under endorsements, various editors will sometimes throw in negative statements about the endorser.
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This edit (with the endorsement itself) was added
here. In fact though, this is a false statement. General Flynn is not a convicted felon. His plea was never actually accepted by the court, as he withdrew it before sentencing. The government then dropped the case (after Barr reevaluated it as a non crime), but Trump pardoned him before it was completed. So in no sense is General Flynn a 'convicted felon'.
It isn't just Flynn though, this abusing of the endorsements category on various election pages to push POV, especially in 'wiki voice'. This being Wikipedia though, expect it to get worse.