Gov. Arnold Schwarzenegger was all smiles in 2006 when he signed into law the toughest anti-global-warming regulations of any state. Mr. Schwarzenegger and his green supporters boasted that the regulations would steer California into a prosperous era of green jobs, renewable energy, and technological leadership. Instead, since 2007 -- in anticipation of the new mandates -- California has led the nation in job losses.

The regulations created a cap-and-trade system, similar to proposed federal global-warming measures, by limiting the CO2 that utilities, trucking companies and other businesses can emit, and imposed steep new taxes on companies that exceed the caps. Since energy is an input in everything that's produced, this will raise the cost of production inside California's borders.

Now, as the Golden State prepares to implement this regulatory scheme, employers are howling. It's become clear to nearly everyone that the plan's backers have underestimated its negative impact and exaggerated the benefits. "We've been sold a false bill of goods," is how Republican Assemblyman Roger Niello, who has been the GOP's point man on environmental issues in the legislature, put it to me...