Charles Murray, however, clearly believes that being able to cure fatal diseases is more important than some other things and that Rembrandt was a greater artist than your local sidewalk cartoon sketcher. Most people might regard this as obvious common sense but some of the intelligentsia may be seething with resentment at seeing their pet fetishes ignored.

Much of the world today, including the United States, is still living in the social, cultural, and political aftermath of Britain's cultural achievements, its industrial revolution, its government of checks and balances, and its conquests around the world.

Blacks were not enslaved because they were black but because they were available. Slavery has existed in the world for thousands of years. Whites enslaved other whites in Europe for centuries before the first black was brought to the Western hemisphere. Asians enslaved Europeans. Asians enslaved other Asians. Africans enslaved other Africans, and indeed even today in North Africa, blacks continue to enslave blacks.

All that makes earlier times seem simpler is our ignorance of their complexities.

Trade-offs have been with us ever since the late unpleasantness in the Garden of Eden.

Fairness' is one of the great mantras of the left. Since everyone has his own definition of fairness, that word is a blank check for the expansion of government power. What fairness means in practice is that third parties -- busybodies -- can prevent mutual accommodations by others.

ANYONE who studies the history of ideas should notice how much more often people on the political left, more so than others, denigrate and demonize those who disagree with them - instead of answering their arguments.