There doesn't seem to be any good reason to believe it did: the authors of the book don't even back up the anecdote particularly strongly. https://www.theguard

There doesn't seem to be any good reason to believe it did: the authors of the book don't even back up the anecdote particularly strongly. https://www.theguardian.com/media/mediamonkeyblog/2015/oct/09/isabel-oakeshott-david-cameron-piggatecall-me-dave https://www.theguardian.com/media/mediamonkeyblog/2015/oct/0... "The thing to point out about that story is that there is no need for burden of proof on a colourful anecdote where we’re quite upfront about our own reservations about whether to take it seriously."