Driverless cars

Speculating on what will happen to Tesla Motors [NSDQ:TSLA] can be endlessly entertaining, and the discussions have taken up terabytes of server space already. But last week, a Forbes contributor suggested an intriguing notion: Should search giant Google buy Tesla? The conventional wisdom has been that ultimately, Tesla's backers and board will sell the company to a large global automaker. Such an acquirer could provide the parts-volume efficiencies and enormous capital resources required to grow production into the hundreds of thousands a year--ultimately perhaps millions. Of course, Tesla...