NEW YORK, United States (AFP) — Warren Buffett said Wednesday he is resigning as a trustee of the Bill and Melinda Gates Foundation while making a $4.1 billion donation to the organization as well as four others. The 90-year-old business magnate did not give a reason for the resignation, which comes about seven weeks after Bill and Melinda Gates announced their divorce. Buffet, whose wealth is currently estimated by Forbes at $104.4 billion, signaled continued […]