This will rear its ugly head in about 30 years (fewer with Obama in charge) when an overwhelming Hispanic majority in California votes to secede.
South Carolina tried it in 1861. But America was populated with Americans then.
Don’t think the USA can’t dissolve overnight in this day and age? Ask the Soviet Union.
It might be well to remember the Democrat rallying cry of 1864. The slogan was, “The country as it was, the Constitution as it is.” What goes around, comes around.