Boston
IN the five years since Bill Gates and Warren Buffett created the Giving Pledge, 193 individuals have made the simple promise to give more than half of their fortune away in life or in death. This week, another 16 people joined the initiative, including Chobani yogurt founder Hamdi Ulukaya and Scottish oil baron Ian Wood.
Signing the pledge has brought glowing press coverage, video testimonials from Mr Gates and invitations to annual conferences in luxurious resorts with fellow billionaires such as Ray Dalio and Pierre Omidyar.
Less publicised is the fact that the crux of the pledge is subjective. Signatories are under no legal obligation to donate any of their money, and sometimes fail to...
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