Comiserate with them while I doge glass shards? 

Violence isn't the answer until it is done by those with anarchist leanings?  

First off I don't believe their tactics are appropriate.  Therefore, their actions, hiding their faces, and destroying things are not appropriate.

Furthermore, given the nature of their actions, one could argue masked people in a protest could be a threat or a sign of danger.

Now I'm all for exercising rights, but when the exercise of that is a deliberate form of harassment...

And the black bloc use the masks partly to conceal their identity and partly as a tool of intimidation and harassment.  

I'm all for masked protesting, until they start becoming part of illegal actions.

Given the broad and careful free speech protections in this state's constitution, I would argue that there be no effort made to make masked protesting illegal, but given the greater threat they pose, I would suggest great penalties for rioting or destruction of property while masked and while part of a protest group.  Similar to the greater penalties for armed robbery vs unnarmed robbery.

What do YOU propose doing about them?

I understand what it is they do, and why they do it.  It does not make it any more correct.

But hey, who cares.  They are a fringe element, and fringe elements, especially ones that burble about the evils of capitalism, or whatever the leftist fringe is excited over that week seem to tolerated in Oly.  One goes from empathizing with their reasons and actions, to ignoring their presence.  Then something blows up... 

 I believe it is cowardly to protest masked.  If you have something to say, take responsibility for your statements.

If you want to destroy property it makes sense to mask yourself, it also is a form of intimidation, and a carefully calculated one at that.   

I've got more to say on the subject, but it is more opinion than fact, and I am researching a fact piece on the BB, and will put that on my website, with an opinion piece seperate.