I haven't read Better Angels of Our Nature but this 1981 review paper on the same thing is v interesting http://www.jstor.org/stable/pdf/1147382.pdf?acceptTC=true …
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@bswud also, his Modernization, Self-control and Lethal Violence http://bjc.oxfordjournals.org/content/41/4/618.abstract … (^_^)Thanks. Twitter will use this to make your timeline better. UndoUndo
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