In the summer of 1991, Mary Gates, the mother of Microsoft billionaire Bill Gates, persuaded her hardworking son to relax over the Fourth of July at Hood Canal. This favorite family retreat, located two hours from Seattle, boasts picturesque natural settings. Among the attendees was the esteemed investor Warren Buffett, known as the Oracle of Omaha. Initially, Bill was reluctant to meet Buffett, dismissing him as just a “stockbroker.” However, once they started talking, they discovered a surprising rapport. Dressed casually for the holiday, they conversed intensely for nearly half a day, deepe…