A leftist anti-Israel group that is trying to act like an "occupy" group set up a sparsely-attended anti-Israel rally in Oakland.
A couple of pro-Israel activists came to write chalk slogans on the same sidewalk that the other group had written their screeds.
You can see what happens afterwards.
The young woman being assaulted has a lot more patience than I would.
More details from Pro-Israel Bay Bloggers.