Why Queen Elizabeth's 'Never complain, never explain' motto is key to her 70-year reign
"The very lack of personal drama has arguably been the secret of Elizabeth II's success," explains Tracy Borman, author of Crown & Sceptre: A New History of the British Monarchy Queen Elizabeth's 70-year reign has seen her travel to over 100 countries, own more than 30 corgis and shake hands with 14 …