Just as Britain had the right to decide their own future and withdraw from the European Union, so does every State in the USA have the same right to withdraw from the United States of America.
And it is time for some of the States to start seriously threatening to do so. We have a federal behemoth is Washington, DC that is out of control. We have a president who acts like and is treated like an Emperor.
We pay a massive amount of personal income tax to the federal government (who then misuses our money), and a fraction of that to our States. It should be other way around.