He makes me think and laugh: Buffett on friend Charlie Munger

Berkshire Hathaway Chairman Warren Buffett, in his annual letter to investors, renewed his affection for friend and business partner Charlie Munger. "I never have a phone call with Charlie without learning something," 92-year-old Buffett said, adding, "While he makes me think...he also makes me laugh." Buffett also credited Berkshire's success not just to smart investing but a lot to luck.