I learned to slip back and forth between my black and white worlds. One of those tricks I had learned: People were satisfied so long as you were courteous and smiled and made no sudden moves. They were more than satisfied; they were relieved -- such a pleasant surprise to find a well-mannered young black man who didn't seem angry all the time.

People call me a socialist sometimes. But, no, you gotta meet real socialists. You'll have a sense of what a socialist is.

Islam is not part of the problem in combating violent extremism - it is an important part of promoting peace.

Our alliances and partnerships are not directed against any nation.

I don't want to exaggerate; having as many African American men as we've had in the criminal-justice system, and the amount of time it takes for the damage done by that to wash through our society and our communities, the disadvantages born out of kids being undiagnosed with mental-health problems early, or not getting the kind of exposure to reading and math when they're 4 or 5 or 6 years old, that carries a cost.

I do think that I am generally optimistic.

The next phase and this is part of what I'm interested in doing after I get out of the presidency is to make sure that I'm working with that next generation so that they understand you can't just rely on inspiration. There's a little perspiration involved in bringing about change too. That you have to be organized, that you have to vote even when it's not exciting.