She insists that fiscal responsibility will take priority, but if Labour take power the pressure on her to raise more taxes will be immense.
The Prime Minister also pointed out that his opponent is a lawyer, and told the House “there is nothing compassionate about tolerating illegal migration”.
The idea that self-government might matter to Johnson or Gove more than, say, party loyalty leaves him genuinely nonplussed.
The present election will turn on whether MPs and activists put national popularity before ideological soundness.
Instead of leaving the Customs Union but retaining chunks of the Single Market – we shall end up staying in the Customs Union but leaving most of the Single Market.
In the third piece in our mini-series evaluating the EEA, our columnist wonders how both sides managed to become so hostile to moderate concepts.
And here we end, by reflecting on what he might have thought about Labour’s move away from the tenet of democratic government.
The 60th anniversary of this composite figure provides an opportunity to lay him to rest.