Lousy title but great report.
The violence is a sideshow: it is the political paralysis of the Greek government that is of world importance because--while the European Union bickers about how much bankers should lose versus how much the EU should lose as Greece defaults--you are seeing the lines of defense against financial and social chaos within this part of Europe getting very frayed.
A note on the Black Bloc: It's a tactic, not a political party or philosophy. Most often they are undercover law enforcement or intelligence agents acting as provocateurs.
http://www.bbc.co.uk/news/world-13783420
