Gov. Arnold Schwarzenegger, in his final days as the state's chief executive, selected two of his administration's top lieutenants to oversee California's health benefit exchange, the new marketplace from which the uninsured and small businesses will be able to buy health coverage. Schwarzenegger chose Susan Kennedy, his chief of staff, and Kimberly Belshé, his cabinet secretary for health and human services, to fill the influential posts on what will be a five-member oversight board. Schwarzenegger had until Sunday to make the appointments, and neither selection will need consent from the Legislature - a deal contained in the state law establishing...