“There was one time he said, ‘Id love to just be able to go into a coffee shop and buy a coffee to jump on the tube and travel on a train.’
“I think it’s very indicative of where the book is going to go and it suggests that he has always felt on the periphery, an outsider, a spare, a backup, rather than someone in his own right.
“And actually, I think that’s pretty sad.”
Cameron went on to ask the royal specialist: “How much do you think we will criticise the Royal Family?”
