Brexit shows that there's still a major difference: member states can elect to leave. Economic penalties etc follow, and political fallout, but here in the US w

Brexit shows that there's still a major difference: member states can elect to leave. Economic penalties etc follow, and political fallout, but here in the US we fought a major war to demonstrate that states are _not_ allowed to secede from the union. (As much as many blue states might wish they could ...)