Our kids didn't do this to themselves. They don't decide the sugar content in soda or the advertising content of a television show. Kids don't choose what's served to them for lunch at school, and shouldn't be deciding what's served to them for dinner at home. And they don't decide whether there's time in the day or room in the budget to learn about healthy eating or to spend time playing outside.

Clearly this is a tough economic time, and a lot of families are hurting. So when we talk to parents, we talk about small changes for kids and things that don't cost extra money. Like adding water and eliminating sugary drinks and sodas. That's going to save money right there. Or adding a few more vegetables.

We're gathering a group of women around the administration to serve over a longer period of time as mentors to girls in need. If we can have that kind of impact in one night, just imagine if we were working with girls over the course of a year or two.... We can change lives.

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.

I had the honor of meeting a young Pakistani woman named Malala Yousafzai, who was shot and nearly killed just for trying to go to school. I also heard about how nearly 300 girls in Nigeria were kidnapped from their school dorms in the middle of the night. There are girls like this in every corner of the globe. In fact, there are more than 62 million girls worldwide not attending school, and that's an outrage.

Good health is multifaceted - it's physical, it's internal, it's my diet, and my emotional state. It's all tied in together.

I feel fortunate as a woman to have a husband who loves me and shows me in every way.