Peter Kunhardts' intimate, cheery, cheering, charming biographical documentary on the ukulele-playing Omaha billionaire reminds us that not all moguls are cut from the same cloth.

Aided by Buffett's remarkably well-adjusted three children and his still-surviving siblings, we get a picture of the intelligent, instinctively entrepreneurial child of the Great Depression, the son of a Nebraska congressman.

A great documentary needs some tension -- whether between the subjects, or between the subject and the director, or something else. Unfortunately, it's lacking here.

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