Police officers advance on demonstrators during a demonstration following the grand jury decision in the Ferguson, Missouri shooting of Michael Brown, in Oakland, California

Police officers advance on demonstrators during a demonstration following the grand jury decision in the Ferguson, Missouri shooting of Michael Brown, in Oakland, California

Police officers advance on demonstrators during a demonstration following the grand jury decision in the Ferguson, Missouri shooting of Michael Brown, in Oakland, California November 25, 2014. The grand jury decided on Monday not to indict a white police officer over the fatal August shooting of an unarmed black teenager. REUTERS/Stephen Lam (UNITED STATES – Tags: CIVIL UNREST CRIME LAW POLITICS)