Howard Graham Buffett

You've got a global food problem. You've got a food problem in the United States. You've got a food problem in Africa... in Asia. And so the truth is, the U.S. is going to have to produce more, on not very many more acres, honestly. And so we're going to have to do a better job.

My parents had a gardener when I was growing up, and he and I would dig in the dirt together - my mom and dad were definitely not digging with me! When I was 5, he helped me plant some corn in our backyard, and I remember how fascinating it was to watch it grow. Little did I know that 50 years later I'd be growing corn in a different way.

Having a Congress with a more diverse educational and professional background would serve the country well. And given the budget challenges facing America today, we might benefit from a few more cold, calculating problem solvers, and fewer courtroom impresarios.

I personally think going to Mars, if it takes two years or two and a half years, that's doable. Certainly, the first people who go there, that's going to be a big motivator, being first getting to Mars.