To your first point, some scientist believe it is hard wired in our DNA to associate with any form of group (as this played a role in evolution). Here's a rela

To your first point, some scientist believe it is hard wired in our DNA to associate with any form of group (as this played a role in evolution). Here's a related interesting talk on TED that I recently saw: http://www.ted.com/talks/lang/en/jonathan_haidt_on_the_moral_mind.html http://www.ted.com/talks/lang/en/jonathan_haidt_on_the_moral...