Giz Explains: How the Bill and Melinda Gates Foundation Will Save the World

Bill Gates is officially "transitioning" from Microsoft this week, but really, he checked out a long time ago. His Big Hairy Vision isn't just modernizing the world anymore-it's saving it. The Bill & Melinda Gates Foundation is the world's largest charitable foundation, with a current asset trust endowment of $37.3… »6/25/08 4:00pm6/25/08 4:00pm