From school history textbooks we remember that it was the so-called “Saddle Letter” that became the main document, material evidence that refracted the course of the Great English Revolution of the seventeenth century, in the stunningly intriguing confrontation between King Charles the First and Oliver Cromwell. Listeners of this story will be able to plunge into the uniquely romantic world of that time. When intrigue, meanness, treason and betrayal were something in the order of things. However, nothing has changed since then...