Nigeria, July 24 -- The final whistle was heard, then came the roar. It rose like rolling thunder from the stands of MetLife Stadium in East Rutherford, New Jersey, before spilling into living rooms, sports bars and city squares across the globe. Spain had climbed the summit of world football, once again. A contest that had promised brilliance between two footballing aristocrats eventually found its hero in a young man whose story began far from the glittering lights of Europe. Argentina defended with courage, Spain persisted with patience, and when the defining moment finally arrived, it was Nico Williams who quietly wrote the first sentence of a story that will be remembered long after the medals have gathered dust. His towering header...