Tesla might be on the verge of a breakthrough that would change its 'overpromising' reputation (TSLA)

Reuters/Noah Berger About a week and a half ago, Greenlight Capital's David Einhorn took a shot at Tesla CEO Elon Musk in a third-quarter investor letter. "[C]omplacent shareholders have been willing to look past years of over-promising and under-delivering from a promotional CEO," Einhorn wrote. "Elon Musk’s ability to spin a yarn and keep a story going seems to mesmerize his investors, blinding them to the challenges the company is facing." Einhorn is right that Musk and Tesla have been over...