The company has a lot of financial flexibility as it enters this next chapter.For 60 years, Warren Buffett was the lead man in charge at Berkshire Hathaway (BRK.A +0.28%)(BRK.B +0.20%). Now, the Oracle of Omaha has finally stepped down at the age of 95. It's definitely the end of an era, but it was a great ride. Berkshire Hathaway went from a roughly $25 million company to one of only 11 companies with a trillion-dollar valuation (as of Jan. 13).Understandably, some investors may have reservations about the ...