What was the Queen meant to say about the Chinese officials?

A retired diplomat I know had no doubt about where the blame lay for the Queen’s Very Rude episode. ‘Sounds as though the officials let her down badly – twice – in filming private conversations and then not vetting them,’ he observed acidly.

And certainly it does seem as though the broadcasters’ cameraman at large – representing the BBC, ITV et al –  may have to have his right-to-roam licence revoked for any social gathering involving HM.