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

I would like to see an animating passion. Tim Kaine actually had a good line. What animated you before you got into politics? And she actually does have a story there to tell about children. And so drawing that animating passion will do good.

The zooming wealth of the top 1 percent is a problem, but it's not nearly as big a problem as the tens of millions of Americans who have dropped out of high school or college. It's not nearly as big a problem as the 40 percent of children who are born out of wedlock. It's not nearly as big a problem as the nation's stagnant human capital, its stagnant social mobility and the disorganized social fabric for the bottom 50 percent.

It's the rising tide of enmity in the country, Donald Trump attacking judges, Donald Trump attacking John McCain, Senator [Richard] Blumenthal, the town halls, the riots in Berkeley. You have got the incivility on the floor of the United States Senate. You have got just a rising tide, every single story.

If Donald Trump wants to fire somebody for not getting Obamacare repealed, he should fire himself.

We have an international system. We all profit from it. Trade profits from it. Peace. We can travel around the world because of it. And part of that system is certain ideas, the certain ideas you can't invade other countries for no reason. You can't commit genocide. You can't - rogue regimes can't have nuclear weapons, and you can't gas your own people.

The daily activity that contributes most to happiness is having dinner with friends. The daily activity that detracts most from happiness is commuting. Eat more. Commute less.