When you're a candidate and you say something that is inaccurate or controversial, it has less impact than it does when you're president of the United States. Everybody around the world's paying attention. Markets move. National security issues require a level of precision in order to make sure that you don't make mistakes.

Find somebody to be successful for. Raise their hopes. Rise to their needs.

The absence of hope can rot a society from within.

Together we can change our culture for the better by ending violence against women and girls, artists have a unique power to change minds and attitudes and get us thinking and talking about what matters, and all of us, in our lives, have the power to set an example. Join our campaign to stop this violence.

Who you are, what you are, does not change after you occupy the oval office. All it does is magnify who you are. All it does is shine a spotlight on who you are.

Back in the '50s and '60s, most politicians were concerned about not talking about faith, partly because there were consequences you had to deal with - (for instance) Catholicism had been made an issue.

I'm named Barack Hussein Obama. I'm African-­American.