Oakland clashes cloud image of Occupy movement

Occupy Oakland protesters cheer as they take over tractor-trailers loaded with shipping containers at the Port of Oakland on Wednesday, effectively shutting down the United States' fifth-busiest port during a day of nonstop protesting in the California city. (Associated Press)

Occupy Oakland protesters cheer as they take over tractor-trailers loaded with shipping containers at the Port of Oakland on Wednesday, effectively shutting down the United States' fifth-busiest port during a day of nonstop protesting in the California city. (Associated Press)

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