Secession, in this day and age, would be brain-dead stupid.
Divide and conquer - it is EXACTLY what the communists want us to do. It is far easier to pick-off the individual states than doing so in whole U.S.
Staying in the Federal Empire is even stupider. Better to save half the country and start over then the whole thing go down the tubes.
“The principle for which we contend is bound to reassert itself, though it may be at another time and in another form.”
President Davis CSA