Magna Carta changed the law as we know it, but what else did it say?

Happy Birthday Magna Carta! The groundbreaking document turns 800-years-old this June. The "Great Charter" changed governance as we know it. But while the charter has long been revered, we really only cite a small part of the 5000 word document. So what does the rest of it say? The World's history guy Christopher Woolf explores the lesser known clauses of this great charter. Plus, The World in Words host, Patrick Cox takes a trip to the Salisbury Cathedral to see one of the four remaining copies of the Magna Carta.