Doonesbury by Garry Trudeau for January 19, 1977
Brenda: Rick, Ryan O'Neal just called me and he's furious! What did you say to him yesterday? Rick: Nothing! I just asked about "Barry Lyndon." Brenda: Hey, now how tactful was that? Listen, Rick, I'm sending you to the upcoming session of PST! I think it'd do you some good! Rick: What's PST? Brenda: People Seminar Training. It's a symposium on personality journalism. It'll help you get into it! Rick: Personality journalism? Brenda: You'll love it. Go. Now. Rick: You're sending me to a gossip clinic, aren't you?