I think the Americans need to understand that a lot of times the children are bored in school, and that is why they are not staying in.

Despite the debunking, you have a small group in the last five years that hasn't wanted to vaccinate their children, for instance, for measles. Then, all of sudden, we got an outbreak of measles and kids were starting to die from measles.

It is still just unbelievable to us that diarrhea is one of the leading causes of child deaths in the world.

But iPods and iPhones are two things we don't get for our kids.

Philanthropy is not about the money. It's about using whatever resources you have at your fingertips and applying them to improving the world.

Men make different investments than women do. Women tend to invest more of their earnings than men do in their family's well-being - as much as 10 times more.

I realized that the only way to get into a good college was to be valedictorian or salutatorian. So that was my goal.