You might want to get both sides of the story before you jump to conclusions (we wouldn’t want to be like Obama here blaming the white cop who acted “stupidly”, would we?...)
“UC Davis Police Chief Annette Spicuzza said officers used force out of concern for their own safety after they were surrounded by students...”
http://sacramento.cbslocal.com/2011/11/18/police-defend-use-of-force-on-occupy-uc-davis/
“UC Davis Police Chief Annette Spicuzza said officers used force out of concern for their own safety after they were surrounded by students...”
Thanks for that quote. If that is what it is about then the use of force is okay. From the few comments I read (and the photo) it sounded like a bunch of folks were sitting in the road blocking traffic. In that case hand-cuffs is more appropriate than pepper spray IMHO.