We can aim to create a culture, where kids ask for healthy options instead of resisting them.

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.

Not everybody is going to run a marathon or do a triathlon. It's not necessary to do that to be in good health.

Let Girls Learn issue has always been personal for me. I grew up in a working-class neighborhood on the South Side of Chicago where most folks, including my parents, didn't have college degrees. But with a lot of hard work - and a lot of financial aid - I had the chance to attend Princeton and Harvard Law School, and that gave me the confidence to pursue my ambitions.

Women in particular need to keep an eye on their physical and mental health, because if we're scurrying to and from appointments and errands, we don't have a lot of time to take care of ourselves. We need to do a better job of putting ourselves higher on our own 'to do' list.

I was an incredibly devoted student, and I would often wake up at 4 or 5 in the morning to study. But even so, there were still people who thought that a girl like me with a background like mine wasn't really "college material."

With this new initiative, Disney is doing what no major media company has ever done before in the United States. And what I hope every company will do going forward when it comes to the ads they show and the food they sell they're asking themselves one simple question: Is this good for our kids?