[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/08/09/money.art.jpg] FORTUNE – On Wednesday, the Giving Pledge – a movement spearheaded by Warren Buffett and Bill and Melinda Gates – revealed the names of 40 individuals and families who are taking up the challenge to give away at least half of their net worth during their lifetime or at death. Along with a … Continue reading Billionaires donating fortune to charity