Kidney disease is a low-profile, unglamorous problem, a disease that disproportionately strikes minorities and the poor. Its celebrity spokesman is blue-collar comedian George Lopez, who received a kidney from his wife.

Glamour doesn’t just happen, people don’t wake up in the morning glamorous.

The mobile middle class gravitates to the cities where housing is affordable.

Abundant choice doesn't force us to look for the absolute best of everything. It allows us to find the extremes in those things we really care about, whether that means great coffee, jeans cut wide across the hips, or a spouse who shares your zeal for mountaineering, Zen meditation, and science fiction.

Medicare is immune from the competitive pressures that force private insurers to pay attention to what patients and doctors want.

The SAT is not perfect. We all know smart, knowledgeable people who do badly on standardized tests. But neither is it useless. SAT scores do measure both specific knowledge and valuable thinking skills.

At the simplest level, only people who know they do not know everything will be curious enough to find things out.