Everyone finds justification for his or her views in logic and analysis, but a personal philosophy often emerges from some archaic part of the mind, an early idea of how the world should be.

Ideology knows the answer before the question has been asked. Principles are something different: a set of values that have to be adapted to circumstances but not compromised away.

As America has grown less economically equal, a citizen's ability to move upward has fallen behind that of citizens in other Western democracies. We are no longer the country where anyone can become anything.

The invisibility of work and workers in the digital age is as consequential as the rise of the assembly line and, later, the service economy.

Abstract sympathy with the working class as an economic entity is easy, but the feeling can vanish on contact with actual members of the group, who often arrive with disturbing beliefs and powerful resentments - who might not sound or look like people urban progressives want to know.

Even while writing about foreign places, I have been in a way writing about America, because that's the subject that interests me the most. I'm attached to it, critical, but it's definitely my country, and maybe even more so when I'm overseas.