The videos have gone viral: people punching Nazis in the streets. The latest involved a man in Seattle, wearing a Swastika armband. He takes a punch so violent that he is knocked unconscious and loses a tooth.
While it might be tempting to laugh or share these videos, even people like Noam Chomsky warn that it's not a good idea to punch anyone -- Nazis included. There are still ideological debates to win, they say. Our guests: