It is my firm belief that it will be in the interests of the United States, especially our economic interests, to pursue comprehensive immigration reform.

Rand`s [Paul] a libertarian. He has a view of the world that I don`t share. He said that we shouldn`t have any troops in Iraq. He agreed with Obama that was a disaster. When there was a chance to do something constructive about Syria with a no-fly zone, he said we don`t need one.

I've come to embrace the notion that I haven't done enough in my life. I've come to confirm that one's title, even a title like president of the United States, says very little about how well one's life has been led. No matter how much you've done or how successful you've been, there's always more to do, always more to learn, and always more to achieve.

Toughest decision was early in my presidency when I ordered 30,000 more troops into Afghanistan. As somebody who had run to end a large troop presence overseas.

You didn't build that. Somebody else made that happen.

In the white community, the path to a more perfect union means acknowledging that what ails the African-American community does not just exist in the minds of black people; that the legacy of discrimination - and current incidents of discrimination, while less overt than in the past - are real and must be addressed.

My task over the last two years hasn't just been to stop the bleeding. My task has also been to try to figure out how do we address some of the structural problems in the economy that have prevented more Googles from being created.