What Is Political Correctness?

(Little brother to his older sister) What is political correctness? (Older sister) It's something you're not suppose to talk about. (Little brother) How am I going to find out what it is if I can't talk about it? (Older sister) You can talk about it but you have to talk about it in the right way. (Little brother) How do I talk about it the right way? (Older Sister) Just don't say anything and you can't go wrong! (Little brother) How am I suppose to communicate and tell people how I feel. (Older Sister) I haven't got that part figured out yet, it's a slippery slope. (Little brother) What's a slippery slope?