"The billionaire pledge – a broadside of noblesse oblige – was formulated by none other than two of the planet’s leading mega-billionaires, Warren Buffett and Bill Gates. These two American moneybags are imploring fellow prophets of profit to address global suffering by earmarking not less than fifty per cent of personal wealth for charity. First discussed at a dinner in May 2009, the specifics are just now surfacing thanks to Carol J. Loomis in the June 16 issue of Fortune."