The Bank of Japan now holds nearly half of Japan's federal debt, a radical move that has not triggered hyperinflation as monetarist economists direly predicted. In fact, the Bank of Japan can't get the country's inflation rate even to its modest 2 percent target. As of August, the rate was an extremely low 0.3%. If the Fed were to follow suit and buy 50% of the U.S. government's debt, the Treasury could swell its coffers by $11 trillion in interest-free money. And if the Fed kept rolling over the debt, Congress and the president could get this $11 trillion not only interest-free but debt-free. President Trump can't get a better deal than that.