Can China Save the World?

On a steamy saturday afternoon just outside Shanghai, Zhang Yi is in a blessedly cool General Motors showroom, kicking the tires of the company's newer models. He's not there to beat the heat. He drives a small Volkswagen now and wants to upgrade. A middle manager at a state-owned steel company, Zhang has no worries about his job or China's economy. "Things are still pretty good," he says. "I have no problem now affording one of these," nodding toward ...