Berkshire gurus told me they were impressed with Greg Abel's first Q&A as meeting host. Theron Mohamed/Business Insider I flew to Omaha to watch Greg Abel host his first Berkshire Hathaway shareholder meeting. Abel succeeded Warren Buffett as Berkshire's CEO at the start of this year. Berkshire investors, authors, and managers spoke highly of Abel and gave me new insight into him. I recently flew to Omaha to see Warren Buffett's successor, Greg Abel, host his first Berkshire Hathaway sharehold