Shares of Tesla are up around 190% during the past five years, almost double that of the S&P 500, which has given its CEO, the voluble and volatile, Elon Musk a lot of room to flout convention.The board of the publicly-traded EV company technically works for its shareholders and because of that share price, it has allowed Musk to smoke pot on a podcast, thumb his nose at securities regulators, juggle multiple outside business interests, sell Tesla stock to buy Twitter, become President Trump’s “first buddy, ...