Some 2,800 Americans went to Spain [during the Spanish Civil War], and it was, by far, the largest number of Americans before or since who've ever joined somebody else's civil war. I think they were primarily people who were deeply alarmed by the menace of fascism. They saw this on the horizon. I quote one volunteer, Maury Colow of New York, who said, "for us it was never Franco, it was always Hitler."

Growing inequality is a huge problem, and of course is intimately connected to xenophobia and racism.

Someday, I have no doubt, the dead from today's wars will be seen with a similar sense of sorrow at needless loss and folly as those millions of men who lie in the cemeteries of France and Belgium - and tens of millions of Americans will feel a similar revulsion for the politicians and generals who were so spendthrift with others' lives.

Work is hard. Distractions are plentiful. And time is short.

If your real wages are declining, your job is at risk, you fear your children will be worse off than you are, it's tempting to want to blame it all on an easily identifiable target: Muslims, immigrants, refugees, blacks, Jews.

How many really great writers are there who are totally non-political? You can hear the French Revolution in the poetry of [Percy Bysshe] Shelly and [John] Wordsworth; you can sense the vast inequalities of Tsarist Russia in [Anton] Chekhov and [Lev] Tolstoy.

I think [George] Orwell is right. There are certainly moments when political differences appear minor, and someone can claim to be non-political or to want to stay out of the fray, but today is not one of those moments.