In Time For Earth Day, Eco-Luxury
 How mainstream has the greening of the world become? Fortune Magazine this month joined the lengthening list of big dog old media publishing “green” issues. Car companies, especially the Japanese, tout their energy-efficient vehicles. Republican Senator James Inhofe of Oklahoma is busy cementing his legacy as the George Wallace of this era, the man who stood on ideology and misguided principle to deny an undeniable fact of experience and history: The earth is warming.   And then there’s one …