I believe the Visa Waiver Program, it essentially is the soft underbelly of the visa system. Now we have 35 countries in it. We have 16 million people coming in. I believe the overstays still run about 40 percent of the undocumented population. In other words, there's 40 percent that you really don't know where it came from is what I'm trying to say. And I've always suspected people come in on a visitor's visa and they just decide to stay, and that's a large part of the undocumented population.

Global warming is real. It is happening today. It is being charted by our satellites. It is being charted by our scientists. It is being charted by those of us in this body, and I think the real key is if we are ready to admit that fact and take the action to make the necessary conversion.

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.

If I could have banned them all...I would have!

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

We need steel spines, not weak knees when it comes to political independence in the Department of Justice.

Ports are the gaping hole in America's homeland security.