A massage receipt does not sound like the stuff of a constitutional crisis. And yet here the country stands again, peering through the keyhole of royal privilege, watching another small, grubby detail turn into a larger question about who is held to account in Britain and who, for years, simply was not.
What is known so far is this: two retired civil servants have told the BBC that Andrew Mountbatten-Windsor, while serving as the UK's trade envoy, billed taxpayers for 'massage services' and ran up travel costs that, in their account, were waved through with too little scrutiny.
