HARDtalk goes to the Hay Literary Festival in Wales, where we are joined by an audience to meet a world-renowned specialist in death. For many of us, it is the hardest subject of all to think and talk about - yet for author Sue Black, it is the very business of life. She's a professor of forensic anthropology, whose ability to read the clues and stories in human remains has made her a world renowned investigator. What does she see when she looks death in the face?Image: Sue Black (Credit: BBC)