Doonesbury by Garry Trudeau for November 30, 1970
Transcript:
Mark: (Get ready, Mr. President, "Megaphone" Mark Slackmeyer has arrived at your front door!!) Listen up, in there! Stop the war! No more R.O.T.C.! All power to the pupil!! Etc! University President: Why, hello, Mark! Would you like to come in and rap? Mark: (I was afraid of this...)
rcd: king