San Francisco Chronicle: More than 200 people were arrested Saturday outside Chevron's Richmond refinery during a protest over safety issues at the plant and the company's global environmental practices. The arrests came hours into a protest that began with a rally Saturday morning outside the Richmond BART Station and a march west to Chevron's gates. By the time the demonstration reached the refinery, the crowd numbered into the thousands. Protesters chanted outside the gate and drew a giant sunflower using biodegradable...