evidence: Antifa, Bray explains, traces its roots to the 1920s and ’30s, when militant leftists violently clashed with fascists – albeit unsuccessfully -- in the streets of Germany, Italy, and Spain. The movement, and its tactic of street-level clashes, had a resurgence in the 1970s and ’80s in reaction to the emergence of neo-Nazi skinheads in Britain's punk music scene, and again in Germany after the fall of the Berlin Wall. It took hold within segments of U.S. punk culture in the 1980s, more typically under the broader cause of anti-racism. [...] MG: How would you define antifa? [...] Also, many of their followers think that this is a game, that this a joke, that they can come off the Internet and into the streets without this having very serious implications. And a lot of what antifa is doing is making it perfectly clear to them that if you really want to be a Nazi, this is a dangerous thing and you really need to think twice about throwing yourself behind a racist white supremacist movement that is preaching the death of others.