portland, Ore.

A protester carries a sign referring to Scott Olsen, who was seriously injured at an Occupy event in Oakland, Calif., at Jamison Park in Portland, Ore., early Sunday, Oct. 30, 2011. A large group or protesters marched from the downtown Occupy Portland camp in an attempt to occupy the park when police moved in with riot gear and horses to make approximately 30 arrests.

Credit: AP Photo/Don Ryan