VISIT CNBC.COMX Entrepreneurs EntrepreneursA lesson in leadership: Elon Musk spends weekend responding to Tesla customers, admits 'foolish oversight' Catherine Clifford 57 Mins Ago CNBC.com Getty Images Elon Musk, CEO of Tesla. SHARES Elon Musk is busy trying to help save the world. His electric vehicle company Tesla aims to combat climate change by...