Senate President Pro Tem Don Perata on Friday postponed a confirmation hearing for a state official tapped by Gov. Arnold Schwarzenegger to carry out the overhaul of the California workers' compensation system. Influential labor and legal organizations are pressuring Democratic lawmakers to oust Andrea Hoch, the administrative director of the Division of Workers' Compensation. Her critics, including Perata and other Democratic legislators, assert that new formulas she crafted to determine permanent disability benefits would cut payments by up to 70 percent and reduce medical care for severely injured workers. Hoch declined comment Friday. A Schwarzenegger spokesman indicated the governor will...