A Letter to LaylaA kaleidoscopic portrait of humanity written with warmth and curiosity, by one of Australia's most prominent broadcasters. How might the origins of our species inform the way we think about our planet? At a point of unparalleled crisis, can human ingenuity save us from ourselves? Much loved writer and broadcaster Ramona Koval travels the globe in a quest to answer these difficult questions and more. She speaks with an eminent paleo archaeologist in