Hope and change are hard-fought things.

My children are very blessed.... That's why I think that mentoring is such a critical part of the role I can play in this 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.

Now, a good education is about so much more than just learning geometry or memorizing dates in history. All of that is important, but an education is also about exploring new things -- discovering what makes you come alive, and then being your best at whatever you choose

I've always been a closet jock, but when I got married and had kids, that fell by the wayside.

For me, being a mother made me a better professional, because coming home every night to my girls reminded me what I was working for. And being a professional made me a better mother, because by pursuing my dreams, I was modeling for my girls how to pursue their dreams.

Some of my best memories are sitting on my dad's lap, cheering on Olga and Nadia, Carl Lewis and others for their brilliance and perfection.

One reason we planted the White House vegetable garden was to set an example about what food can mean, but to also begin a broader conversation about how we're feeding our kids, what they know about the food that they eat, how they're taking care of themselves.