I think since the systematic emergence of terrorism and the assassination attempts, everything has tightened. My hope is that it loosens back up once I leave.

Marco Rubio is one of those people. How does that work? How can you call him a con artist and dangerous, and object to all the controversial things he says, and then say, but I`m still going to vote for him? Come on, man.

Ultimately, I think the Equal Protection Clause does guarantee same-sex marriage in all fifty states.

We know hackers steal people's identities and infiltrate private e-mails. We know foreign countries and companies swipe our corporate secrets.

There was a time when if you had a financial crisis in Southeast Asia somewhere, it had no impact on our markets. Today it does.

I'm about to embark on what may be as important as an initiative as anything I do as President, trying to nudge the world in the direction of doing something serious about climate change.

People are less certain of their national identities or their place in the world. It starts looking different and disorienting. And there is no doubt that that has produced populist movements both from the left and from the right in many countries in Europe.