Sharing an article: ingroups and outgroups

I think that the primitive  human instinct to see 'us and them' is dangerous and arch manipulators of this propensity towards tribalism can be very dangerous indeed. I am thinking of people like Hitler, Trump and Farage.

The left are playing exactly the same game, just many seem blind to it. They also seem surprised when it is done back to them 

The left are playing exactly the same game, just many seem blind to it. They also seem surprised when it is done back to them