Ultimately this issue is on us. We're the ones who make the decisions about what our kids eat.

It's not about government telling people what to do. It's about each of us, in our own families, in our own communities, standing up and demanding more for our kids. And it's about companies like Walmart answering that call.

Don't let anyone speak for you, and don't rely on others to fight for you.

It is our fundamental belief in the power of hope that has allowed us to rise above the voices of doubt and division, of anger and fear that we have faced in our own lives and in the life of America.

I want to feel like the things I did made a difference. That's one of the reasons I spend time greeting people on rope lines, because I'm always thinking, 'Maybe this interaction, particularly if I'm meeting kids, will change someone's life.' That's how I think about the work I do as First Lady. It's a rare spotlight. I want to make sure I don't waste it.

I always want to be on the cusp of being in the best shape that I can be.

Believe it or not, when we were first married, our combined monthly student loan bills were actually higher than our mortgage.