What great changes have not been ambitious?

When girls are educated and free to pursue their passions, they contribute more to a thriving society. When women have a voice, they raise it to demand a life that is greater than what they've been told they have a right to expect. And these demands change the future for everyone.

It's important to remember that behind every data point is a daughter, a mother, a sister—a person with hopes and dreams.

Today is International Women's Day, and there's a fantastic set of pieces running by an organization called ONE called "Poverty Is Sexist." It's a great way to quickly learn about what's actually going on for women in poverty around the world, and then do something about it.

The premise of this foundation is one life on this planet is no more valuable than the next.

All women, everywhere, have the same hopes: we want to be self-sufficient and create better lives for ourselves and our loved ones.

In the United States, there's definitely some controversy about birth control in general, and I think we needed to split the debate and have people realize that we actually agree as a country about contraceptives. Over 93 percent of American women say they use contraceptives, and they feel very good about it.