San Francisco Chronicle: America’s addiction to oil and other fossil fuels has put our economy, our security and our future at risk. But while President Obama, Congress, energy experts, business leaders and citizens across the country are rolling up their sleeves to create a clean-energy future, oil executives stubbornly insist that rapid change is impossible or too expensive. Chevron CEO David O’Reilly says moving away too quickly from oil is “a straight path back to a pre-industrial economy and a standard …