When a central bank says it is effectively LBOing Keynesianism, you know it is over. Which is precisely what Guido Mantega, Brazil's finance minister has promised to do. The Latin American country which has been caught in the crossfire of developed world central bank wars, in which it is every last man for himself and he who defects first wins, has just stated it is about to defect (and just in case it is unclear, Mantega clarified that "Brazil's would act on the currency, not just a promise"). And to confirm he means business, Mantega also added that the Brazil Central Bank has no limit to buy dollars. But here's the twist - as reported by Bloomberg, Mantega, speaking to reporters in Brasilia, said the Treasury can sell more debt to increase liquidity to buy dollars. You heard that right: debt-financed currency intervention. At least the trade surplus countries use capital generated from excess exports. Brazil is threatening to do something never before seen, which is to lever up in its FX intervention. Surely, this has to be the last boundary of Keynesian insanity.