The police response to the UC Davis protests is rapidly becoming an issue on which it’s only acceptable to take one side. I’ve watched the pepper spray video over and over.  The first time you see it, you do find yourself holding your breath, hand over your mouth.  Many people have talked about watching it in tears, and I was one.  I’ve read the commentary, I’ve followed the outrage on Twitter, I’ve shown the video to my daughters who, for…