Budget Plannerfrom Mint.com
Gates, Buffett and The Giving Pledge -- what that fortune could accomplish
Forty of the richest people in the United States, Bill Gates and Warren Buffett among them, have challenged other magnates to match their largesse by pledging to leave half of their estate to charity on their demise. Our friends at Mint.com took a look at what this money could accomplish. Quite a lot, it seems.