President Donald Trump returns from China today alongside a who’s who in his cabinet and some of the most recognizable faces in American business like Elon Musk and Jensen Huang. While details were thin on any actual dealmaking to emerge from the two-day trip, Trump left with an air of positivity and hinted at more to come.  The visit raised a central tension for American businesses, investors, and policymakers that isn’t going away anytime soon: how to manage China’s growing prowess and relevance in sectors like the auto industry . Thanks to government investment, China’s auto industry produces more cars than any other country. And, increasingly, those cars are higher value electric vehicles that have uptake across the rest of the world.…