Fox should think about his position this weekend. It is the perfect moment for him to resign and become the backbench champion of the right. He can, with some justice, point to Cameroon trimming on foreign affairs. As it is they treat him like a mushroom (kept in the dark with plenty of fertiliser), his profile is kept deliberately low. If he wants to be leader in the event that Dave falters, there is no point him sitting in the shadow cabinet, best to distance himself and make the case for tax cuts at home and vigilance abroad. Think what Churchill would have done Foxy…