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.

Abortion has become a very politicised issue that I think countries have to work out themselves. In a lot of countries, people can't even yet agree on what their laws should be.

If I really believe all lives have equal value, and if I use contraceptives, which I do, and if I'm counselling my son and my two daughters to use them, how am I not serving the women who don't have access to the contraceptives they need?

We [with Bill Gates] started to make decisions about what we'd invest in. Then I actually started traveling for the foundation. I've probably been to India now eight times at least and Africa numerous times.

If you ask, who has the chance to move into the city and get a good job out in the developing world? It's a man. Who's left to care for the kids back at home? The woman is.

We also ought to recognize that unpaid labor falls predominantly to women. The other thing I would do in countries like the U.S. is to show more men, even in TV ads, doing household work. Only two percent of ads show men doing chores, and yet we know they actually do several hours of it in real life. Those images affect young boys and girls.

Women around the world should have a tool that helps them plan their pregnancies.