We need all hands on deck, and that means clearing hurdles for women and girls as they navigate careers in science, technology, engineering, and math.

I've always tried to make sure that what I do really connects with the broader agenda of what my husband Barack Obama is trying to do.... But I also find that I have to be very passionate myself about the issue to be able to represent it well. One of the big issues that I've talked a lot about...is childhood health, nutrition and obesity.

Cute's good. But cute only lasts for so long, and then it's, 'Who are you as a person?' Look at the heart. Look at the soul. Look at how the guy treats his mother and what he says about women. How he acts with children he doesn't know. And, more important, how does he treat you?

I am so tired of fear. And I don't want my girls to live in a country, in a world, based on fear.

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.

I was too worried about the grades and I should have been more worried about learning.

You look at all the sporting companies out there. I won't name names, but we know who they are. Good brands and logos and things like that, and they have to start catering to real women. Even in how their sports apparel is designed, and the commercials - you want to look at a commercial and see yourself.