Boris Johnson is doing rather well on Ukraine at the moment, thanks to Britain’s role in sending arms and training instructors there. But now another military crisis from the not-so-recent past threatens to block the greased pig’s escape from political danger yet again. For this afternoon the Foreign Affairs Committee (FAC) will be taking evidence on Operation Ark, the evacuation of Pen Farthing’s sanctuary Nowzad from Afghanistan amid claims that the lives of animals were put before Afghans.