Today's News Roundup Credit Karl Nielsen Santa Rosa Press Democrat Unlimited Bay Area transit pass trial begins with Santa Rosa Junior College students San Francisco Chronicle After decades of growth and tumult, BART stuck in a massive financial hole San Francisco Chronicle New S.F. tower with condos and office space is a $1 billion bet on the city’s recovery KQED Grid Operators Again Call for Energy Conservation to Avoid Rolling Blackouts Mercury News Flex, Spare the Air alerts still in effect as California’s power grid gears up for another pummeling