In the days following Donald Trump’s victory last November, Elon Musk’s multimillion-dollar foray into electoral politics looked like one of the savviest investments of his career. Hopes that the entrepreneur’s political influence would supercharge his businesses pushed Tesla back above $1 trillion in market value, making the richest man in the world – who spent just over a quarter of a billion dollars on Trump’s campaign – roughly $100 billion richer. But, by Musk’s own admission, his allegiance to Trump has instead led to damaging “blowback” for his flagship electric-car maker. “It went from a Cinderella story to Nightmare on…