Beneath Warren Buffett’s amiable Midwestern demeanor lies a tough negotiator. The family of Walter Scott, a longtime Berkshire director and Berkshire business partner who died in 2021 at 90, seems to have gotten the Buffett treatment. Buffett noted in his recently released annual shareholder letter that Berkshire had boosted its stake in Berkshire Hathaway Energy, its large utility unit, to 100% from 92% during 2024.