@CNN: Bill and Melinda Gates explain why they give so much away — and how they decide what to fund https://t.co/MrL1c8MQwQ https://t.co/V9Uzu1m8WH
Bill and Melinda Gates explain why they give so much away — and how they decide what to fund https://t.co/MrL1c8MQwQ pic.twitter.com/V9Uzu1m8WH
— CNN (@CNN) February 13, 2018