I was seven years old when my family moved from London to New York. It was January 1992 and my mother had just been appointed editor-in-chief of Harper's Bazaar. She was the editor of in the UK, where both my parents were from. She loved the job, having started as an assistant at the magazine two decades earlier. We had family and friends in London. One of my earliest memories was presenting flowers to Princess Diana. She and our mother had met during her time at Fashion. Looking back on it now, it all seems a little surreal. But even ...