Melvyn Bragg and guests Nicholas Vincent, David Carpenter and Michael Clanchy discuss the Magna Carta, the oft-proclaimed foundation of English liberties.The Magna Carta has been cited ever since its issue in 1215 as a foundation stone of English liberties. It includes clauses of universal justice, some of which are still on the statute book, but also sorted out the fishing rights in the upper Thames. Whether Magna Carta is a genuine proclamation of universal liberty or a hotchpotch of baronial self-interest has been debated ever since. Melvyn and his guests examine the ideas contained within it, assess their legacy and find out what really happened all those years ago in a tent in Runnymede.