Doonesbury by Garry Trudeau for September 21, 1978
Transcript:
Voice: And if you want to hear the whole tawdry story, meet me at Zeibert's at 12:30 sharp! Rick: 12:30 at Zeibert's. Got it. Voice: I must have your word, though, Mr. Redfern. My identity must be protected. I have too much to lose. Rick: Well, okay, fellah. But I don't know how much of a story that will leave me. Voice: Don't worry, this story will write itself. Rick: It will? Voice: "Informed source, 14, rocks NFL..." Rick: Not bad... how will I know you?