“Political tags – such as royalist, communist, democrat, populist, fascist, liberal, conservative, and so forth – are never basic criteria. The human race divides politically into those who want people to be controlled and those who have no such desire.” – Robert A. Heinlein
Andrew O’Hehir recently posted an article on Salon  and Alternet  titled “Hey Liberals: You Haven’t Won the Culture War” in which he argues that the extreme political polarization that currently exists:
. . . involves values or mores that people hold on a primordial or unconscious level, which are not easily expressed in language and not readily subjected to rational inquiry. Translated into the political realm, these fundamental cultural mores become entrenched ideological positions, modes of expressing the unshakable conviction that my side is right and yours is wrong.
He is definitely onto something. He has identified the aspect of the political environment which has created and will perpetuate its current toxicity . . .