The eminent and multiple-prize-winning historian, Antony Beevor, best known for his popular works on the Second World War, the Spanish Civil War and Russia, talks to Charlotte Metcalf about his new book on Rasputin: And the Downfall of the Romanovs, published this week. They also talk about his life and the problems that historians are increasingly facing in an age of disinformation and electronic rather than written communication.