The grass roots are energized because the absolutely highest priority in the country in November is to defeat Barack Obama. I have spoken with literally thousands and thousands of tea-party activists - I have yet to meet a single tea-party leader that is not going to vote for Mitt Romney.

If we want to defend the country, we have to defend against who's coming in.

And that was always our plan. Do well in the first three states, and then compete and have a very strong night on Super Tuesday. I think we're ideally positioned to do exactly that.

If you're going to decide to run a data-driven campaign, decision-making has to follow it.

It's critical to have a sound foundation in free-market economics and the Constitution. A great many Republicans in Washington don't have that foundation.

If the problem is Washington is corrupt, why on Earth would you want to give more power to Washington?

Barack Obama has said he doesn't believe in American leadership or America winning - he is wrong. America can win again and we will win again.