by Paul Cook in Melbourne - Just another week in the Lions tour… It was always likely that this Lions series will be decided by finite margins both on and off the field. The swings and roundabouts of professional sport and all that it entails mean that any amount of positive or negative influence, no matter how big or small, can mean the difference between winning and losing. This week, between tests one and two of an already enthralling series, has not been short of its ups and downs and twists and turns for both sides. Which one can hold up best under the myriad of challenges they have been presented with may well determine tonight’s victor. Last Sunday began with the Lions in ebullient mood. They were 1-0 up in the series, had seen three Wallabies l