'Cancer did not haunt us. It helped us to understand what matters in life': Robert Peston's heartbreaking tribute to his late wife Siân April 30, 2013 by Fulcrum The BBC's Business Editor, Robert Peston, has written a heartbreaking memoir of his wife Siân Busby's battle to finish her final novel before dying from cancer. Ian Burrell. Independent. 30 April 2013 FulcrumShareTweetShare