This is a must-see and one of the best documentaries - and films - of this year.

By the time the dramatic fireworks start popping off, each one feels earned.

Each character in this movie — down to the smallest one — is an individual rather than a type, prone to spontaneous changes of mood and sometimes amusing outbursts of pettiness or ill humor.

It is encouraging that the film ends so strongly.Otherwise, it wouldn't have been a particularly memorable film