A version of this article first appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox. When Peter Buffett learned that he and his siblings would be in charge of giving away the fortunes of their father, Warren Buffett, his response was clear. "I did not want it," Peter Buffett told CNBC. "I called him up and said, 'I want to opt out.' He said, 'I don't blame you.' It