Numerous writers sought to distill the essence of Buffett’s success. What were the key principles that guided Buffett? Could those principles be applied broadly in the 21st century, or were they unique to Buffett and his time? From an understanding of those principles, analysts hoped to illuminate the acquisition of PacifiCorp. What were Buffett’s probable motives in the acquisition? What did Buffett’s offer say about his valuation of PacifiCorp, and how would it compare with valuations for other regulated utilities? Would Berkshire’s acquisition of PacifiCorp prove to be a success? How would Buffett define success?