The United States has the world's largest and most innovative economy, an unmatched rule of law, and a free market that is the envy of the international community. For investors, we are the reserve currency.

So I think there's a potential to make tuition free at public universities as part as young people doing national service. I think that is the most realistic option.

I support giving President Obama the ability to negotiate and complete new trade agreements with some of the fastest-growing economies in the world.

There are definitely problems with technology companies, mostly around privacy, in my opinion, and the fact that they don't protect our privacy and we haven't passed privacy laws.

My general view is that capitalism is an amazing innovation and job-creation machine. But what we've done historically that has been so brilliant is that we've moderated it with appropriate tax policy, with regulation, with workers' rights and infrastructure in our society that make sure that everyone has an opportunity.