The first law of politico-dynamics is power cannot be created or destroyed, only transferred to a stronger entity when the weak poorly defends it. The Democratic Party of old allowed a Trojan horse — socialists — to enter its walls and refused to fight as it didn’t think it was possible the enemy was coming from within. The Democratic establishment treated “The Squad” like it was a cute girl-band in Congress that could be controlled until it eventually faded into obscurity. But accepting the