Sacramento Bee: Senate President Pro Tem Darrell Steinberg and Sen. Joe Simitian, D-Pato Alto, sent a letter today to Gov. Arnold Schwarzenegger urging him to reconsider pursuing a legislative mandate for boosting the state’s reliance on solar, wind and other renewable energy sources. “(An) Executive Order does not have the force and effect of law. Additionally, such a proclamation will only cause confusion and uncertainty to California’s energy markets, jeopardizing California’s role as the world …