For years the kill switch was doomsday thinking in London and Brussels. Then the US shut off intelligence and throttled Starshield for Ukraine, and according to the Wall Street Journal, one CEO ordered it personally. Steve Blank, in London all month, says the question in every room is now what happens if Microsoft, OpenAI or Oracle decide to cut you off. His argument: AI just made rebuilding that stack affordable. Sovereignty stopped being a moral argument and became an engineering one.