My relationship with Silicon Valley and the tech community historically has been really good. Many of these folks are my friends.

I spoke on the phone with President Rouhani of the Islamic Republic of Iran. The two of us discussed our ongoing efforts to reach an agreement over Iran's nuclear program. While there will surely be important obstacles to moving forward and success is by no means guaranteed, I believe we can reach a comprehensive solution.

[White House is] the finest prison in the world.

It's harder to end a war than begin one. Indeed, everything that American troops have done in Iraq -- all the fighting and all the dying, the bleeding and the building, and the training and the partnering -- all of it has led to this moment of success. Now, Iraq is not a perfect place. It has many challenges ahead. But we're leaving behind a sovereign, stable and self-reliant Iraq, with a representative government that was elected by its people. We're building a new partnership between our nations.

My view is that discrimination against anyone at the ballot box is wrong and should have the full enforcement of the federal government.

What we can do is make sure that Afghanistan is not a safe haven for Al Qaeda. What we can do it make sure that it is not destabilizing neighboring Pakistan, which has nuclear weapons. The key is we’ve got to have a clear objective...

You look at something like health care, the Affordable Care Act. And for all the controversy, we now have 20 million people who have health insurance who didn't have it. It's actually proven to be more effective, cheaper than even advocates like me expected.