Economic libertarians and Christian evangelicals, united by their common enemy, are strange bedfellows in today's Republican party, just as the two Georges - the archconservative Wallace and the uberliberal McGovern - found themselves in the same Democratic Party in 1972.

In our society, the best predictor of a man's wealth is his wife's looks, and the best predictor of a woman's looks is her husband's wealth.

No one knows what the nongenetic causes of individuality are. Perhaps people are shaped by modifications of genes that take place after conception, or by haphazard fluctuations in the chemical soup in the womb or the wiring up of the brain or the expression of the genes themselves.

Of course the theory of evolution would be vacuous if it offered a glib explanation for every inexplicable act.

We really are creatures of a violent world, biologically speaking - watching violence and learning about it is one of our cognitive drives.

In the 1970s, many intellectuals had become political radicals. Marxism was correct, liberalism was for wimps, and Marx had pronounced that 'the ruling ideas of each age have ever been the ideas of its ruling class.'

If you aren't just brought up in your tribe but interact with other people either directly or vicariously, through journalism and literature, you see what life is like from other points of view and are less likely to demonize them or dehumanize others and more likely to empathize with them.