A masked protester stands with others during a protest against an arbitrator's ruling to rehire a Portland police officer evoked comparisons to a slain Florida teenager Monday, April 2, 2012, in Portland, Ore. The protest of about 200 people outside of City Hall was sparked by a state arbitrator's ruling on Friday that Officer Ronald Frashour should get his job back. He was fired after he shot an unarmed man in the back in 2010. (AP Photo/Rick Bowmer)