The same would be true for something like Social Security, where historically, if you just read the law and the fact that it excluded domestic workers or agricultural workers, you might not see race in it, unless you knew that that covered a huge chunk of African Americans, particularly in the South.

The two inaugurations were different. The first inauguration I was thinking to myself, "Let's make sure I don't screw this up." I think there is - people always talk about how cool I am. I don't care how cool you are.

I am living testimony to the moral force of non-violence. I know there's nothing weak - nothing passive - nothing naïve - in the creed and lives of Gandhi and King.

If you looked at their cable bill, their telephone, their cell phone bill, other things they're spending money on, it may turn out that, it's just that they haven't prioritized health care.

The president [Barack Obama] understands that the country's very concerned about [terrorism] issue. And I think what you're going to hear from him is a discussion about what government's doing to ensure all of our highest priority, the protection of the American people.

I look forward to teaching the occasional class, 'cause I was a professor. And I had fun doing it.

Today, more than ever before, science holds the key to our survival as a planet and our security and prosperity as a nation. It's time we once again put science at the top of our agenda and work to restore America's place as the world leader in science and technology.