American politics has regressed on a scale of civilized to tribal. This is something we can all intuit and I think articles like this are going to become more common place. How do humans overcome base nature to become civilized? This is poorly understood. Religion wants to take all the credit. People like Stephen Pinker point to the Enlightenment being responsible and Enlightenment under attack today is civilization under attack. The fact our culture is coarsening into ever larger degrees of tribalism is disturbing. Computer science will not be able to stay out of the fray. Nor will any human endeavour.