In accounts of men in battle, there is an incredible adrenaline rush from group-versus-group conflict. The fervor and passion of partisans is clearly rewarding; and if it's rewarding, it involves dopamine; and if it involves dopamine, then it is potentially addictive.
Jonathan HaidtLiberals and conservatives are opponents in the most literal sense, each using the myth of pure evil to demonize the other side and unite there own.
Jonathan HaidtLiberals have difficulty understanding the Tea Party because they think it is a bunch of selfish racists. But I think the Tea Party is driven in large part by concerns about fairness.
Jonathan HaidtMost of our social nature is like that of other primates - we're mostly out for ourselves.
Jonathan Haidt