Fast Track: Career Conversations With Margie Hartley

In just two and a half years, Michelle Andrews and Zara McDonald have achieved more than most podcasters dream of with their podcast 'Shameless'. With over 17 million downloads and a dedicated fan base, they have become the unintended voice of a generation of 20-somethings. Margie Hartley talks to Michelle and Zara about how they've built a hugely successful media business at such a young age and the responsibility of their voice.