Leading authority on the Cold War and nuclear history Serhii Plokhy, journalist and author of Butler to the World: How Britain Became the Servant of Tycoons, Tax Dodgers, Kleptocrats and Criminals Oliver Bullough, and author of Putin’s People: How the KGB Took Back Russia and Then Took on the West Catherine Belton come together to analyse the tragic events taking place in Ukraine and how they are causing a whole-world shift. They speak to lawyer and writer Philippe Sands.