Three experts discuss Russia in the current context. Fiona Hill is a former senior advisor to Presidents George W Bush, Barack Obama and briefly Donald Trump, former official at the U.S. National Security Council specialising in Russian and European affairs, and author of There is Nothing For You Here, and Mr Putin: Operative in the Kremlin. Oliver Bullough is author of Butler to the World: How Britain Became the Servant of Tycoons, Tax Dodgers, Kleptocrats and Criminals, and Moneyland: Why Thieves and Crooks Now Rule the World and How to Take It Back. Luke Harding is the Guardian's foreign correspondent and author of Invasion: Russia’s Bloody War and Ukraine’s Fight for Survival. In conversation with senior international affairs correspondent for the Guardian and Observer, Emma Graham-Harrison.