If I get lost, I'll send up a rocket. Loosely based on the James J Corbett biography "The Roar Of The Crowd", Gentleman Jim is a wonderfully breezy picture that perfectly encapsulates not only the rise of the pugilistic prancer that was Corbett, but also the wind of change as regards the sport of boxing circa the 1890s. It was like trying to hit a ghost! The story follows Corbett (a perfectly cast Errol Flynn) from his humble beginnings as a bank teller in San Fransico, through to a chance fight with an ex boxing champion that eventually leads to him fighting the fearsome heavyweight…