If we truly want an innovative and creative renewable fuel industry, then it needs to be challenged. And if we create a set of protections that allow it to not be as creative and innovative as possible, then we aren't doing a service to the industry or to the people of this country.

I think, certainly, Barack Obama has created an opportunity for America to understand that diversity is a blessing, diversity is a strength. It isn't necessarily something to be concerned about. And I think, at the end of the day, we're going to learn that this country operates best when it celebrates and surrounds itself and appreciates diversity, and doesn't shun it.

The rise of childhood obesity has placed the health of an entire generation at risk.

Democrats have always historically referred to our families as working families, and I have sort of changed that moniker. I think what we have is a nation of worried families - families that are concerned about job security, families who thought their pensions were secure and now have questions.

We have a long tradition in this state of caring for our neighbors - it is truly an Iowa value.

It's how you make decisions that matters, and that ought to be the question that people ask of any candidate for any executive office, whether it's mayor, governor or president. How do you make decisions? Who do you want in the room helping you make those decisions?

If we are to transition to a new economy and to lead it, we must start by transforming our schools.