Photo: Benjamin Fanjoy/Getty Images Feuds between the founders of tech companies are quite common, to the point that there is a subgenre of movie about ultra-rich nerds duking it out over the future of their firms. But few of these spats rise to the level of a $134 billion lawsuit—the amount that Elon Musk is suing Sam Altman and Greg Brockman for what Musk considers the gross mismanagement of the company they co-founded in 2015, OpenAI. The stakes are sky-high for the ChatGPT-maker, as it