Queen Elizabeth II had opinions on all sorts of subjects; it was just that she chose not to share them. Or, more accurately, she did sometimes share them, but those who heard were usually too discreet to repeat them. As George Osborne says, “I was constantly astonished by how candid she was and that none of this ever came out. She’d be very forthright in telling you what she thought of individuals, including members of her own family, and what she thought about things going on in the country.” Another politician tells how the Queen once mentioned over drinks that...