It's not; they won't.
Yes. However, there is no little evidence the USA has realized many of the objections raised by the anti federalists. They might argue that the USA is a failed experiment: over large and over extended military, over large and mounting debt, taxation grown far beyond anything announced or intended at the founding or even the 1916 income tax, federal programs run by an aristocracy of sorts, state police powers assumed by the federal government.
The separate European nations did not fail prior to 1992 and Maastricht. The failure is now in the
Union and in particular the adoption of a common currency across sovereign nations, which was
predicted to fail by many at its inception. They should have stopped at free trade among the several nations and left well enough alone.
Paul does not call for the end of the Union; one existed for some time prior to the creation of the Fed. The insanity here is to look abroad at the consequences of debt and overspending, see our own debt and overspending and continue business as usual. Paul has some nutty ideas about the Fed and currency. But his clearly announced spending cuts, or something like them, is the only sane path forward.