A rock climber with a rare genetic condition navigates the challenges of his sport without sight, while actor Amanda Seifert discusses her career and personal life. Meanwhile, writer-director James Cameron reflects on his career and the making of his film Avatar, and a food historian explores the history of leftovers and how to repurpose them. Additionally, members of the band Metallica discuss their charity work and the impact it has had on people's lives. [... more]