The reason McCain is in the ‘news’ again is because of the recently released transcripts of the Strzok/Page testimony that fingered him as the mule that disseminated the fake dossier, which everyone knew, but now it’s official. Trump commented on it, and now the media is trying to make it look (quite successfully) like Trump started it.
which very well-informed people like Freepers knew, but most Americans never heard about at all. One of the propaganda media's greatest powers is their ability to cover or suppress whatever they want.
Before social media even existed, this was already being done by TV, radio and newspapers.