Here he is on Johnny Carson in 1983 talking about the Soviet penetration of the media for disinformation operations. If the web site that cannot be mentioned is blocked then search Arnaud de Borchgrave on Johnny Carson, an amazing video
https://www.*******.com/watch?v=uXAF-bzsDVQ
He goes into it in his fiction book The Spike which is a great read. What does an editor do when he does not like your story, puts it on the spike on his desk to throw away at the end of the day, if he needs part of it to craft a story then he can find it easier on the spike than digging through the trash.
Google, Facebook, Twitter are all Spiking stories they do not like.