Moral Values, Politics and You: The Tribal Nature of All Politics by Fidel Davila
Approx. 28,850 words.
Published on March 30, 2010.
Describes are how personal values lead to groups of similar values ("tribes") that try to lead using their values, i.e., politics.
Primeval tribes are male lead, hierarchical and intolerant of other's values. Modern tribes are consensus driven and tolerant of diverse values as long as they respect an individual's human rights.