(This is the Warren Buffett Watch newsletter, news and analysis on all things Warren Buffett and Berkshire Hathaway. You can sign up here to receive it every Friday evening in your inbox.) An Oregon Court of Appeals ruling this week accepted PacifiCorp's argument the judge in a 2023 trial mistakenly told jurors it could assume evidence it heard about wildfire damages suffered by 17 homeowners also applied to a class of thousands of other plaintiffs. The appellate judges sent what's been called