They want to be Mexifornia.
Cut them loose and fence them off.
Even better... cut them loose and then invade them and take it back over!
No need to cut us loose or invade. Just prosecute and jail the law breakers from the governor. ag, mayors and city council members, college presidents, school boards, etc, on down. Conspiracy to defy the federal government and willingly violate federal law is a crime as is harboring or giving aid and comfort to criminals and fugitives, ie, illegal aliens.
“Cut them loose and fence them off.”
We need to do way more than that.
We need to put it back the way we found it.
Every dam absolutely positively must be removed. Every aqueduct must be removed. All infrastructure of any kind including flood management, roads, power lines, sewers and water treatment, roads, airports, and any manufacturing plant and or warehouse space that will be abandoned must be destroyed. For good measure, the entire central valley and imperial valley should be salted.