The fictional character King Rao is a composite character of various high-tech entrepreneurs in the Silicon Valley (Steve Jobs, Mark Zuckerberg, Jeff Bezos, etc.). But King Rao is also a Dalit, a member of the so-called “untouchable” caste in India. His innovations are both harmful and helpful to the planet. King Rao the central figure in the new dystopian novel “The Immortal King Rao” by writer Vauhini Vara. She speaks to host Marco Werman.