Warren Buffett's Gift to the Gates Foundation: Money That Can Make a Difference

Warren Buffett's surprise announcement that he is donating 31 billion dollars to the Bill and Melinda Gates Foundation heralds the creation of the first ever mega-foundation. The Gates Foundation, already endowed with 30 billion dollars, will now have the task of doubling its spending to some three billion dollars a year. CGD program director Ruth Levine writes that this is money that can make a difference.