UK: The riots remind us that polygamous societies are naturally violent

Ed West at Telegraph Blogs: When we discuss “fatherlessness” in urban areas what we are talking about, effectively, is polygamy. And countless studies have shown that, the more polygamous a society, the more aggressive its males. Polygamous hunter-gather societies are absurdly violent. Why? Because where male parental investment is low, the qualities that define a good male mate are strength, aggression and status.