Musk escapes the worst, but Tesla still faces a bumpy road

Tesla has promised to revolutionize the automobile, but the high-end electric car maker keeps hitting road blocks created by its founder Elon Musk's erratic behavior and considerable ego.The settlement, which will leave the 47-year-old overseeing Tesla's daily operations, provides at least a momentary reprieve from the company's many challenges -- including Musk's own sometimes counterproductive instincts.Tesla is at something of a turning point.