SAN FRANCISCO (AP) - Plans to build a coal-fired power plant in Nevada's high desert to provide more energy for Southern Californians are opposed by renewable energy advocates and may also run afoul of Gov. Arnold Schwarzenegger's new effort to fight global warming. At a joint public hearing Wednesday by the California Energy Commission and Public Utilities Commission, energy officials were expected to debate whether Schwarzenegger's greenhouse gas reduction goals will impact companies generating electricity outside California. Nevada, where environmental regulations tend to be more lax, already has several power plants supplying energy to California, and there are plans to...