{"footnote":"\u003Cp\u003E  \u003Cem class=\u0022emphasisClass\u0022\u003EThe Better Angels of Our Nature: A History of Violence and Humanity\u003C\/em\u003E (Penguin, 1056 pp., \u0026pound;12.99, October 2012, 978 0 14 103464 5).\u003C\/p\u003E\n","audio":[],"video":[]}