The game theory was simpler during a cold war between two states armed to the teeth; the nuclear world order has since become far more complex and dangerous. Nvidia is on a tear making the artificial-intelligence community’s favoured chips. What plans, and perils, lie ahead for the firm (10:55)? And why there are ever fewer accountants on the books in America (18:25).

Additional audio "As an accountant" courtesy of Rocky Paterra.

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