How did the richest people on the planet make their billions? Find out with the Good Bad Billionaire podcast - now with a chance for you to have your say. Make up your minds whether you think they are good, bad or just another billionaire.Latest episodes: Luciano Benetton and Elon Musk.In each episode of Good Bad Billionaire, BBC Business Editor Simon Jack and journalist and author Zing Tsjeng analyse the lives of the super-rich, and try to understand what motivates billionaires like Kim Kardashian and Oprah Winfrey. From acting-giant turned politician Arnold Schwarzenegger, to Spanx-founder Sara Blakely, Simon...