Ballot wars involving oil and tobacco interests, money from Hollywood and Silicon Valley, plus a governor's race, are shattering California campaign finance records, according to final pre-election reports released Thursday. Overall spending on statewide races, 13 ballot initiatives and legislative seats will likely approach $500 million, predicted Sonoma State University political scientist Dave McCuan, an expert on ballot initiatives. The previous high-dollar mark was set last fall, when forces arrayed on all sides of the special election spent more than $250 million. McCuan used to marvel that California's system of direct democracy was on steroids. ``It's bionic now,'' he said....