Our emotions tell us what to value. They're like a little GPS system: Go that way. Don't go that way.

The Republican Party has become an ethnic nationalist party.

I do think trying to live each day as a bunch of moral occasions, did I live up to what I would hope, and, if I didn't, what can I do tomorrow to be a little better, I do think we can improve. We get better at life as we get older.

When you talk about the problem of illegal immigration, people are angry and polarized. When you talk about the answers, the debate gets a little different.

The things that make them similar - their machismo, their expansionary braggadocio - is going to turn them I think into bitter and dangerous enemies. We will look back on this moment where we thought Vladimir Putin and Donald Trump were sort of close as a moment of bitter irony, when they get into a schoolyard display against each other, amping up each other's worst tendencies and putting the two countries in some sort of scary position.

Politics is based on social identity, and so, again, there is going to be differences between rural and urban and between left and right.

Just, as I have traveled around from school to school, whether it's project-based learning or an outward bound curriculum, it's very hard to tell the difference between charters and public anymore. There's no fine line.