The most important role models should and could be parents and teachers. But that said, once you're a teenager you've probably gotten as much of an example from your parents as you're going to.

With my new venture, Club Mom, we want to empower moms to feel their value and also build their collective power to make their lives better and easier. We want to bring them together as a community to share experiences and information.

Winning isn't everything, but playing and competing and striving and going through things can be a lot of fun and really important. As long as you're doing it in a way that's healthy, sports can be an incredible opportunity.

Try to have as diverse group of friends as possible and don't get into the the clique scenario.

If you can get a teen leader in each sector of a student population, you can pull people in. Everybody wants to get involved, but most are too afraid. When they see a person they think is cool leading it, they're first to join.

Young people can be the catalyst for starting the effort to redefine what's important in America.

I was on Oprah's show recently talking about the people who impacted me the most. One was a teacher and one was my soccer coach. I didn't even go into my family, who had the most influence.