The criteria for serving one's country should be competence, courage and willingness to serve. When we deny people the chance to serve because of their sexual orientation, we deprive them of their rights of citizenship, and we deprive our armed forces the service of willing and capable Americans.

Survival is nothing more than recovery.

[On gay ban in the military:] Heroism, I believe, is a trait that does not know race, color, creed, sex, or sexual orientation.

Let me say this: I believe closing Guantanamo is in our Nation's national security interest. Guantanamo is used not only by al-Qaida, but also by other nations, governments, and individuals - people good and bad - as a symbol of America's abuse of Muslims, and it is fanning the flames of anti-Americanism around the world.

With the right person in place, a very distressing chapter in the Justice Department's history can be closed and the process of restoring its credibility as a strong and independent department can begin.

There is a worry about a bomb being implanted in a human being and placed on an airplane. So, I think there is a lot to worry about.

Our climate is changing. The Earth's climate has, in fact, warmed by 1.1 to 1.6 degrees Fahrenheit since the industrial revolution. People look at this and say: Oh, that is not very much. In fact, it is very much, and it changes the dynamic. It impacts species. It kills some. It diminishes the carbon sink of the ocean. It does a number of things.