i found it!
A couple of times in the past couple of years, the subject of censorship, or political correctness vs some "ism" has arisen, and I have mentioned this comic. Whenever I mention this comic, I always say I'm going to dig it out some day and post it. This is the one, Jed.
That's probably one of the more cryptic explanations I've ever written in this blog that has a reputation for being incomprehensible. I'll explain more in the comments if called for, but right now I'd just like to sit back and see what kind of reaction this thing gets (if any).