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

How we feel about the evolving future tells us who we are as individuals and as a civilization: Do we search for stasis-a regulated, engineered world? Or do we embrace dynamism-a world of constant creation, discovery, and competition?

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

Glamour is translucent — not transparent, not opaque. It invites us into the world but it doesn’t give us a completely clear picture.

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

The glamour of air travel - its aspirational meaning in the public imagination - disappeared before its luxury did, dissipating as flying gradually became commonplace.

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