Few public figures divide opinion like Jeff Bezos and Elon Musk. But @​BrianGrazer knew both men before their companies transformed the world. Brian sees the p

Few public figures divide opinion like Jeff Bezos and Elon Musk. But @​BrianGrazer knew both men before their companies transformed the world. Brian sees the people behind the fortunes. His defense comes from witnessing the private work ethic and original intentions that their public reputations of…