I've mentioned in another thread, which I think was in Anything Goes, about the history of political correctness, but here goes again.
It basically started in the eighties, at some east coast American universities. Some professors, of liberal leanings, thought it would be a good thing if they changed the useage of some deemed offensive names, black instead of coloured, less abled bodied instead of handicapped etc.
As for a 'brigade' of political correctness, it doesn't exist, and you can't blow a bugle in it, unlike the Boy's Brigade.
