Prof. Susan Pedersen, a historian of Britain and Europe at Columbia University, discusses her most recent book The Guardians: The League of Nations and the Crisis of Empire. On the centenary of the Balfour Declaration, it is crucial to explore the British Mandate of Palestine in a broader context. This season of the Tel Aviv Review is made possible by The Van Leer Jerusalem Institute, which promotes humanistic, democratic, and liberal values in the social discourse in Israel.