If the defenestration of Britain’s Chancellor was intended to curb the overmighty Treasury and to launch fiscal expansion a l’outrance, then both objectives are desirable, with caveats. The Treasury has overseen and encouraged the worst kind of austerity over the last decade: the collapse of public investment. It has been slow to understand the post-Lehman economic landscape of secular deflation, global savings gluts, and the world of zero bond yields. It published scientifically bogus claims about the instant economic cost of the Brexit vote. It waged guerrilla warfare under Philip Hammond against the Referendum decision of British democracy, obstructing funds for Brexit planning and promoting Project Fear tenaciously – either to keep the UK locked tightly in the EU’s legal machinery, or in the hope of reversing Brexit altogether....