No such thing as “political incorrectness.” Either it is truth, or it is a lie. We certainly know what “correctness” is.
Political Correctness
"Political Correctness is a doctrine fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."
Here is one outlining the Marxist roots of political correctness. i.e. why Obama acts the way he does -
http://www.freerepublic.com/focus/f-chat/2729615/posts