Trump operating in a 'carnival framework' that allows rule-breaking in domestic and foreign policy

US President Donald Trump's mixed messaging and conflicting signals have characterised the war in Iran. For more on the US president's increasingly bombastic rhetoric, and what's likely to happen next, FRANCE 24's Sharon Gaffney speaks with Lisa Gaufman, Assistant Professor at the Centre for Democratic Politics and Cultures at the University of Groningen and Author of 'The Trump Carnival: Populism, Transgression and the Far Right '.