Why stop at Karl Rove? Tribalism is an inherent primal instinct in our species. We are all directly descended from brutal tribes at odds with other tribes over competition for limited resources. It's rooted in nearly all of our thinking, and you have to take active steps in your thought processes to avoid being biased by this inherent biological preference you have for the success of your kin versus the kin of others.

For sure, this is definitely an element.

Who took it out of Lenin's handbook, ironically.

Time is a flat circle and all that.