Neither car sales nor the potential\xa0of\xa0robo-taxis justifies the\xa0$136 bln\xa0electric-vehicle maker\u2019s shares almost doubling this year. Defying logic, Elon Musk\u2019s barely profitable firm is now the world\u2019s second most valuable car company. Plus,\xa0the\xa0U.S. elections fiasco in Iowa. See acast.com/privacy for privacy and opt-out information.