Doonesbury by Garry Trudeau for February 27, 1974
Bartender: Workin' on another speech, Pat? Pat Buchanan: That's right, Lew. Bartender: Is it a big one, Pat? Buchanan: The biggest, Lew! It's the President's resignation speech. Bartender: You workin' under a deadline, Pat? Buchanan: None of your business, Lew.