The Vatican is to publish a book which is expected to shed light on the demise of the Knights Templar, a Christian military order from the Middle Ages. The book is based on a document known as the Chinon parchment, found in the Vatican Secret Archives six years ago after years of being incorrectly filed. The document is a record of the heresy hearings of the Templars before Pope Clement V in the 14th Century. The official who found the paper says it exonerates the knights entirely. Prof Barbara Frale, who stumbled across the parchment by mistake, says that...