President Trump will have a choice opportunity that few if any presidents have had — the immediate chance to fill two openings on the board of governors of the Federal Reserve. Only five of the board’s seven seats are now filled, a fact that has received scant attention in the press. Yet finding the right nominees will be important in setting the stage for monetary reforms needed to end the age of fiat money and put paid to the “false economy” of which Mr. Trump warned. We are only one stop on the organ known as the “Great Mentioner,” but...