J. D. Vance’s AI Doctrine The vice president is making a case that is part Silicon Valley, part MAGA. In early 2025, J. D. Vance paid a visit to Les Invalides, in Paris, where he was invited to clutch the sword of the Marquis de Lafayette, a hero of the American Revolution. In a speech the next day, Vance drew a parallel between that sword and artificial intelligence, calling them both “weapons th...