The idea of a return to something is very dangerous to me, because it's the something that got us where we are today. – Christopher Harris    Who gets to decide what images mean, and why they have worth? For a documentary photograph to say something meaningful about the world, we have to believe that it's faithfully capturing that world. In this way, photography is a lot like another modern invention, paper money. In this episode, historian David McNally and filmmakers Christopher Harris and Jackie Goss talk about how the circulation of money and images influences what we trust, and who we mistrust.   Featuring: Christopher Harris, David McNally, and Jackie Goss