I was struck by the extremism of many of the signs and decided to try to document the rally. It turned out to be an interesting challenge in photojournalism, and I would be interested in some feedback. For the most part I tried to take photos while the protesters were not paying attention to me but when that was too difficult, I would ask people to pose.
I have included a few more shots below along with a slideshow of the protest. For all the photos from the event see this set on flickr.
Here's the slideshow: