A reader submits this photo taken at the Henry Ford Museum. It’s the usual story: more centralization was needed in 1787. But look at the argument they make: the states were levying tariffs on each other, making their own laws, and creating their own money, so a single political unit had to be placed over them. Wouldn’t the author of this statement be forced, by the same reasoning, to combine all the countries of the world today into a single government?