In 2010 Siddhartha Mukherjee wrote a book about the history of cancer which won the Puliter Prize the following year. He's also a practising cancer physician in New York. Hundreds of billions of dollars is poured into cancer treatment and research every year. We understand it better and have more effective tools to combat it than ever before, yet it kills millions of people each year. HARDtalk’s Stephen Sackur speaks to Siddhartha Mukherjee. His book, The Emperor of Maladies - a self-styled biography of cancer paints a unique picture of the disease. Eight years on from its publication, is cancer any less of a curse?(Photo: Siddhartha Mukherjee. Credit: Getty Images)