A masked protester holds a sling shot at a barricade outside the University of Chile during a national strike in Santiago, Chile, Wednesday, Aug. 24, 2011. A nationwide strike shutting down Chile for ... more 
A masked protester holds a sling shot at a barricade outside the University of Chile during a national strike in Santiago, Chile, Wednesday, Aug. 24, 2011. A nationwide strike shutting down Chile for two days has begun with people stoning buses and police clearing nearly two-dozen burning barricades around the capital of Santiago. (AP Photo/Victor R. Caivano) less 
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Associated Press | Photo By Victor R. Caivano
Wed, Aug 24, 2011 11:21 AM EDT