Op-ed: Chinese robots are coming for Elon Musk's trillion-dollar Tesla payday

Elon Musk's bid to become the world's first trillionaire increasingly rests on a single proposition: that Tesla can evolve from an electric-vehicle company into a robotics powerhouse. Musk has made the case repeatedly that the company's future valuation depends not on cars but on full autonomy and an "army" of humanoid robots called Optimus that could one day perform the work of millions. It is a bold vision and a huge bet — one many technologists believe is both technologically plausible and financially tr ...