A nuclear Iran is a threat to America's national security, and it is a threat to Israel's national security. We cannot afford to have a nuclear arms race in the most volatile region of the world.

To restore America's competitiveness, we must recruit a new generation of science and technology leaders by investing in diversity.

No one nation can or should try to dominate another nation.

My sister is a teacher, so I am a strong support of teachers, but I'm not going to be bound by just a certain way of talking about these things, in order for us to move forward on behalf of our kids.

Whatever we think of the past, we must not be prisoners to it.

You not only do you appreciate the sacrifices people have made and the hours they've kept and the soccer games they missed and the birthday parties, but I also had a lot of young people who came in here [to White House], and this probably, you know, echoes with you, in your own experience, you were young when you got here.

I attend Trinity United Church of Christ, and my pastor [was] Jeremiah Wright.