Your column sounds interesting as debating the free speech of PC thought can open a can of worms to readers. I remember just reading a few months ago this column as it speaks of manners and how one should talk about others:
How to speak to someone that brings up PC ideas can be a bit difficult coming from what political wing they belong to. Your definition of what Emily Post spoke of would work in this case as manners always trump different opinions no matter where they land politically. Responding to someone that respecting someone no matter their thoughts or ideas is a cornerstone to a productive society.