You've got to hand it to the Sussexes: they know how to make a splash. The bombshell news that Prince Harry and his family are swapping California for rainy Britain quite knocked me off my perch.

Family relationships remain damaged and there is no clarity on how Sussexes’ security concerns have been resolved

Whatever you call the great 'freedom flight' U-turn, the bombshell decision by Harry and Meghan to move back to Britain heralds another supremely tricky moment for the British…