Eight hundred years ago, one of the world's most important documents was born. Issued by King John of England in 1215, the Magna Carta ("Great Charter") acknowledged the rights of citizens and set restrictions on the power of the king. The Magna Carta has influenced the structures of modern democracies, including the writ of habeas corpus of the U.S. Constitution... According to Treharne, her research suggests the Salisbury Magna Carta was not just received and preserved at Salisbury, but that the Salisbury Magna Carta was written at Salisbury by one of the cathedral's own scribes. She recently co-published her findings...