Royal biographer Anna Pasternak on why she is backing the 'interlopers'.

Anna Pasternak is posh. The kind of posh that uses words like "jolly" and "gosh" and calls the evening meal "supper". The kind of posh that decorates her Oxfordshire home in tasteful shades of Farrow & Ball paint, and has a muddy labrador snoring in front of a roaring Aga (actually, I made that bit up because Pasternak doesn't have Skype, so we're chatting by phone).

If the British author is also the kind of posh that can't understand my flat Kiwi vowels, she isn't letting on. But then