We were so young, so in love, and so in debt.

We're [President Barack Obama and I] clear on the fact that we have to stay humble and prayerful. We have to dig down deep to our roots. When things come together, we know some of it is Barack, some of it is us-but a lot of it has nothing to do with either of us.

Discriminating against same-sex couples just isn't right.

We've gotten commitments from medical schools, from nursing schools, to step up and increase that pool of knowledgeable individuals.

I always encourage people to start in their own personal universe, because sometimes we as parents start thinking about the big picture. How do I change what's happening in my entire school? And how do I do it in my community? And then you get overwhelmed and it's just like, "Forget it, I'll just stay here in my kitchen and wait." But, start small.

I think that mentoring is such a critical part of the role I can play in my position. I see how little bits of exposure and big bits of exposure really change my girls significantly, and I want that for more girls around the country and the world.

We learned about gratitude and humility - that so many people had a hand in our success, from the teachers who inspired us to the janitors who kept our school clean... and we were taught to value everyone's contribution and treat everyone with respect.