We'll let our friends be the peacekeepers and the great country called America will be the pacemakers.

The people in Louisiana must know that all across our country there's a lot of prayer - prayer for those whose lives have been turned upside down. And I'm one of them.

There is a natural greenhouse effect that contributes to warming. Greenhouse gases trap heat and thus warm the Earth because they prevent a significant portion of infrared radiation from escaping into space.

Most of you probably didn't know that I have a new book out. Some guy put together a collection of my wit and wisdom - or, as he calls it, my accidental wit and wisdom. But I'm kind of proud that my words are already in book form.

Look, history is interesting. I read three books on George Washington last year. And my opinion is that if they're still analyzing the first president, the 43rd president ought to be doing what he thinks is right. And eventually, historians will come and realize whether... the decisions I made made sense.

I am mindful of the difference between the executive branch and the legislative branch. I assured all four of these leaders that I know the difference, and that difference is they pass the laws and I execute them.

Embryonic stem-cell research requires the destruction of life to create a stem cell. That's why I think we've got to be very careful in balancing the ethics and the science.