Common decency is a core part of who people are.

The madman theory can work, but it only works if it's strategic. And I think one of the problems that President Trump faces is people don't really know how much strategy is here and how much is he just sort of talking off the top of his head. And I think North Korea is a really classic case of a potentially insoluble problem, a problem that you have to manage.

The new culture war is about national identity rather than religion and 'transcendent authority.' It focuses on which groups the United States will formally admit to residence and citizenship. It asks the same question as the old culture war: 'Who are we?' But the earlier query was primarily about how we define ourselves morally. The new question is about how we define ourselves ethnically, racially and linguistically. It is, in truth, one of the oldest questions in our history, going back to our earliest immigration battles of the 1840s and 1850s.

I actually think there are more Republicans than people realize who would be sympathetic to immigration reform in the rank and file. I think the lesson for Jeb Bush is politicians shouldn't write books with long lead times.

The worst kind of job to have is a job with lots of responsibility and very little power.

I think this is a scary thing [hacking] that does have to be taken out of a partisan context. And one of the best pieces of news this morning is a joint statement, Senator [Chuck] Schumer, Senator [Harry] Reid for the Democrats,John McCain and Lindsey Graham from the Republicans, saying we have to get to the bottom of this.

What is working in the economy is a natural comeback plus some effects of the policies we've been following. But I'm sort of worried about the long term effects.