برای سه بافت، یک معمای 150 میلیارد دلاری بر سر ثروت وارن

For Three Buffetts, a $150 Billion Puzzle Over Warren’s Riches

Warren Buffett is worth an estimated $150 billion. He's also promised to divest himself of his vast wealth before he dies. Except it's hard when the pot keeps growing. So his three children are stepping in to spread it around. Alexandre Rajbhandari explains (Source: Bloomberg)