There's no doubt that I'm a better president now than when I first took office. This is not a job where there's a manual, and over time you get a better sense of what's important, what's not, how to see around corners and anticipate problems, as opposed to just managing problems once they've arrived.

He described to me how crocodiles kill more people than sharks. There are just a lot of things in Australia that can kill you.

Do I wish that things were more orderly in Washington and rational and people listened to the best arguments and compromised and operated in a more thoughtful and organized fashion? Absolutely. But when you look at history that's been the exception rather than the norm.

The world is less violent than it has ever been.

I don't have a philosophical objection, necessarily, to a travel ban if that is the thing that is going to keep the American people safe.

In November [2016], Americans are gonna have to make a decision about what we care about and who we are. We get these spasms of politics around immigration and fearmongering and then our traditions and our history and our better impulses kick in. That's how we all ended up here. 'Cause I guarantee you at some point every one of us has somebody in our background who people didn't want coming here. And yet here we are.

I think it's a healthy thing for the Democratic Party to go through some reflection.