I think the most moving part of my trip [to Africa] so far was seeing 92-year-old Nelson Mandela, and just thinking about his life. This man has lived through a struggle that few nations have known.

We can make a commitment to promote vegetables and fruits and whole grains on every part of every menu. We can make portion sizes smaller and emphasize quality over quantity. And we can help create a culture - imagine this - where our kids ask for healthy options instead of resisting them.

The arts can enrich all of us in this nation as individuals. The arts can enrich all of our communities and the country. And the arts can connect us to each other like nothing else can.

I think employers need help in understanding how to translate a military career.

I believe that each of us-no matter what our age or background or walk of life-each of us has something to contribute to the life of this nation.

Slowly but surely, we're beginning to turn the tide on childhood obesity in America. Together, we are inspiring leaders from every sector to take ownership of this issue.

It's hard to change adults, and it's hard to change it from a political position or a perceived political position.