The language of economic elites can be complex, jargon- filled and completely baffling. But if we don’t know what they’re talking about, we’re making our decisions at the ballot box on insufficient information. We all need to be able to speak money because if we can’t, then the people who can will write their own rules. John Lanchester, author of Whoops and Capital, discusses his new book How to Speak Money with Izabella Kaminska from the Financial Times.