In this photo from Monday, Aug. 15, 2011, Bay Area Rapid Transit (BART) police officers block protesters from a train at the Civic Center station in San Francisco. Rather than resort to another ... more 
In this photo from Monday, Aug. 15, 2011, Bay Area Rapid Transit (BART) police officers block protesters from a train at the Civic Center station in San Francisco. Rather than resort to another shutdown of subway cellular service to deter protesters, the San Francisco Bay Areaís transit agency closed down stations in the path of marchers, inconveniencing thousands of evening commuters. Bay Area Rapid Transit officials said they undertook the strategy to protect public safety on train platforms. (AP Photo/Jeff Chiu) less 
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Associated Press | Photo By Jeff Chiu
Tue, Aug 16, 2011 1:48 PM EDT