In the chain of tweets following, Greenwald also said:
It’s not a good feeling to dislike and distrust your own government and its key institutions. Wars that everyone can rally around provide a way to rejuvenate faith and trust in the US security state, the US role in the world, the morality of our political leaders and media class
Then concerning Russians being banned from running in the Noston Marathon, Greewald said:
Also, having a common enemy feels good. It gives purpose. It makes us feel that no matter what bad things our leaders have done, someone - another country - is vastly worse. Our hatred for them absolves us of our sins. And key: groups need outcasts
*Boston