Warren Buffett, the billionaire investor, has disclosed his plans for his vast $130 billion fortune after his death in an interview. He intends for nearly all of it to go into a charitable trust managed by his three children, where they must all agree on causes to support. This decision marks a significant shift, as Buffett revealed that his annual donations to the Bill and Melinda Gates Foundation will cease after his death. His will, which remains largely secret until then, emphasizes philant...