Hope and change are hard-fought things.

And I love that even in the toughest moments, when we're all sweating it - when we're worried that the bill won't pass, and it seems like all is lost - Barack never lets himself get distracted by the chatter and the noise. Just like his grandmother, he just keeps getting up and moving forward... with patience and wisdom, and courage and grace.

In the 10 cities with the nation's highest obesity rates, the direct costs connected with obesity and obesity-related diseases are roughly $50 million per 100,000 residents. And if these 10 cities just cut their obesity rates down to the national average, all added up they combine to save nearly $500 million in healthcare costs each year.

My most important title is Mom in Chief

I always want to be on the cusp of being in the best shape that I can be. What I'm discovering is that the older you get, the more work you have to do to stay there.

Elections aren't just about who votes, but who doesn't vote.

But, as potentially the first African American first lady, I was also the focus of another set of questions and speculations; conversations sometimes rooted in the fears and misperceptions of others. Was I too loud, or too angry, or too emasculating? Or was I too soft, too much of a mom, not enough of a career woman?