Whilst it is quite interesting, this documentary, it is still little better than a self-indulgent reminiscence by the man himself that features virtually no contributions from those folks who suffered from his petulance and immaturity - both on the court and elsewhere. Set against a long stroll through his haunts in New York, it takes us on a chronologically ordered career retrospective focussing on his rise to global success on the tennis court; his "superbrat" behaviour and his flawed relationships with friends and family alike but it's all done very much on his own terms. His moments of…