I have had a strong and a long relationship on national security, I've been involved in every national crisis that this nation has faced since Beirut, I understand the issues, I understand and appreciate the enormity of the challenge we face from radical Islamic extremism. I am prepared. I am prepared. I need no on-the-job training. I wasn't a mayor for a short period of time. I wasn't a governor for a short period of time.

Our nation's continued prosperity hinges on our ability to solve environmental problems and sustain the natural resources on which we all depend.

I think [social media] is fundamentally restructuring the whole nature of information and how it's expressed in America.

It's not social issues I care about.

In our blessed and mostly peaceful society we're not as familiar with courage as we once were. We ascribe the virtue to all manner of endeavors that only really require skill, fortitude and a little daring, the qualities Pat Tillman showed on the football field. Pat's best service to his country was to remind us all what courage really looks like, and that the purpose of all good courage is love.

My preference would be to remain in the Senate, ... But you can't say I would refuse to serve in one of those (Cabinet) capacities. It's not the same as vice president.

Sooner or later, people are going to figure out if all you run is negative attack ads you don’t have much of a vision for the future or you’re not ready to articulate it.