[header] How to respond to politically correct people [title] Be polite. [step] Even if you don't agree with anything the other person says, being polite and considerate will go a long way towards keeping the discussion civil. [substeps] Being polite also means that the other person may also be more receptive to your point of view. 
[title] Determine what " political correctness " means to the person you're talking to. [step] By understanding where the other person is coming from, you will be able to have a more productive conversation.