PETER FRANKOPAN is professor of global history at Oxford University. He is the author of * The First Crusade: The Call from the East, The Silk Roads: A New History of the World,and The New Silk Roads: The Present and Future of the World.* He lives in Oxford.

PETER FRANKOPAN is professor of global history at Oxford University. He is the author of * The First Crusade: The Call from the East, The Silk Roads: A New History of the World,and The New Silk Roads: The Present and Future of the World.* He lives in Oxford.