MONTEREY, Calif.--On Monday, Arnold Schwarzenegger presented his proposal for reducing the number of Californians who lack health insurance. His proposal is almost indistinguishable--except in details--from that of the Democrats who dominate the California Assembly and Senate. The Democrats tend to favor solutions involving regulations, government spending and taxes, and Senate President Pro Tem Don Perata's proposal--the main contending Democrat plan--hits the trifecta. It would require employers to provide health insurance; give them the option of paying a tax instead of providing health insurance; and increase spending by expanding both the Medi-Cal and Healthy Families programs, which provide care to low-income...