I have been very consistent over the course of my entire life. I have always fought for the same values and principles.

We acknowledge-now with President Obama-that we have made mistakes in the United States, and we along with other developed countries have contributed most significantly to the problem we face with climate change.

It is often the case that laws must change before fears about change dissipate.

Does John Kerry have to give them [Iran] every little thing? You'll pass some sanctions for human rights and missiles, and I'll grudgingly sign on.

I have said the invasion of Iraq was a mistake. But I think if we're ever going to really tackle the problems posed by jihadi extreme terrorism, we need to understand it and realize that it has antecedents to what happened in Iraq and we have to continue to be vigilant about it.

Individual consciences are fine but individual consciences have to be made manifest.

Islam is the fastest-growing religion in America, a guide and pillar of stability for many of our people.