Photo by Kevork Djansezian/Getty Images Tesla owners look at the new interior of a Tesla 'D' model electric sedan after Elon Musk unveiled the dual engine chassis, a faster and all-wheel-drive version of the Model S electric sedan Steve Jobs used to rehearse, rehearse, rehearse before a presentation. Every moment of the event was choreographed, every word picked with purpose. Elon Musk does not do this. He wings it. On Thursday night, the chief executive officer of Tesla Motors (...