It’s been a bizarre week in international politics. First, the story that is still gradually being revealed about the assassination of a Hamas commander in Dubai: now widely thought to have been perpetrated by the Israeli secret service, Mossad. As if that isn’t outrageous enough there is an extra twist in the tail for us in the UK as we hear that those responsible were travelling with British passports. A story worthy of a Bond movie, surely.

And second the rather peculiar visit o...