If you don't invest in the woman, empower her, give her the things she needs to lift her family up, you're just not going to make the progress that you want to make. But if you put her at the centre, you can change a lot for that family, and it has ripple effects through the economy.

Now we just really need to do the work, which we're doing, to get contraceptives out to women worldwide.

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.

Poverty disproportionately affects women around the world.

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?

I care much more about saving the lives of mothers and babies than I do about a fancy museum somewhere.

Everyone agrees that the failure of our high schools is tragic. It's bad business, and it's bad policy. But we act as if it can't be helped. It can be helped. We designed these high schools; we can redesign them.