Doonesbury by Garry Trudeau for April 08, 1974
Voice: Mr. President, I'm beginning to think perhaps it might be better if we were more compliant in providing materials to the House committee... Nixon: Jim! How can you suggest that?! I thought you were interested in protecting the presidency! Voice: Well, I still am, sir, but... Nixon: Jim, it is not me I'm thinking of. It's a matter of setting precedent! What about future presidents?! Voice: Oh, I imagine they'll muddle through somehow, sir... Nixon: Don't be cute, Jim.