Jonathan Freedland and guests take the Long View on the expulsion of Russian diplomats - both in 2018 after the Skripal poisionings and in 1927 after a notorious raid of a building in London's Moorgate. The story begins in 12 King's Bench Walk in London's Inner Temple, where on 9th May 1927 MI5's head of anti-Soviet work met with Edward Langston a whistle-blower who revealed that a secret military document had been in the possession of the Soviets in the Head Quarters of the All Russian Co-Operative Society, located at 49 Moorgate. And the story ends in Victoria Station where the expelled Russians started their journey home, sent off by crowds of supporters which included MPs and trade unionists. Joining Jonathan Freedland to take this Long View are: Timothy Phillips: Historian, and author of "The Secret Twenties: British Intelligence, The Russians And The Jazz Age" Edward Lucas: Times columnist, espionage expert and author of "The New Cold War: Putin's Russia and the Threat to the West", "Deception: The Untold Story of East-West Espionage Today", and "Cyberphobia: Identity, Trust, Security and the Internet" Oksana Antonenko: Visiting Fellow at Institute of Global Affairs at the London School of Economics and former Programme Director for Russia and Eurasia at the International Institute for Strategic Studies Sir Tony Brenton: Former British Ambassador to Russia (2004-08), including during the Litvinenko case Tim McMullan: Actor who played Arthur Valentine, an MI5 operative in Foyles War Producers: Ben Mitchell and Paul Kobrak.