I don't think anyone can speculate what will happen with respect to oil prices and gas prices because they are set on the global economy.

It's not easy to retire at 31. In one respect I was glad I was done. But after a few years of having fun, I got a little restless. When you're 33, 34, and you don't have a focus, you can get kind of lost. As a man, you feel a little bit unfulfilled.

South Carolinians are strong, independently-minded people. At the end of the day, they make their own decisions. And I respect them for that. And I welcome that. And I told him that from the very beginning.

My parents started a business out of the living room of our home and, 30-plus years later, it was a multimillion dollar company. So, President Obama, with all due respect, don't tell me that my parents didn't build their business.

When you get close to the raw materials and taste them at the moment they let go of the soil, you learn to respect them.