Author, historian, Irish Times reporter and videographer, Ronan McGreevy, talks about his recent book Great Hatred. This book, published by Faber, explores the assassination of Field Marshal Sir Henry Wilson that took place in 1922. Wilson was a prominent British Army officer and County Longford born MP who had a poor reputation amongst Irish nationalists. Ronan discusses Wilson’s background, why he was assassinated, what happened to his assassins and the impact the killing had on Irish history.