Oh, yes -- the principles that it was founded on!
But not people who come around with fairy-stories about "mystical Unions" that add up to "we're taking your rights away and you can't do anything about it!"
Americans get real sticky about that.
Are we in a mystical union now?
The idea that you would form a Government that could be broken up at the whim of any single state is simply ridicilous.
The South rejected New England states attempt to do so in the War of 1812 when they wanted to leave the Union, since the War was destroying them fiancially.
Even the Souths'own Constitution has the goal of a permanent government, not a mere compact of sovereign nations.
The States were to be sovereign in those areas that were not expressly given to the Federal Gov't, but that did not mean they were individual nations.