Reuters: Leaders of California’s scenic Santa Barbara County, site of a 1969 oil spill that galvanized the modern environmental movement, voted on Tuesday to reverse a decision backing new offshore energy development. The county Board of Supervisors’ 3-2 vote, though largely symbolic, signaled a shift in U.S. energy politics since the same panel’s surprise move last August to urge California Governor Arnold Schwarzenegger to support an expansion of oil drilling off the Santa Barbara …