Did you know that in 1949, a woman prepared to travel the USA could make up to $10,000 a year going round and round on roller skates knocking seven bells out of her fellow racers and/or ending up on her own backside instead? Taken from the perspective of rookie Jean Porter; featuring the more established “Toughie” Brasuhn and thanks to quite well placed cameras, we get a sense of not just the skilver mais...