BELO HORIZONTE, Brazil โ The fireworks began at dawn. All around this city, loud pops and bangs rang out as men and women and children, so many dressed in yellow, set off flares and beeped car horns. It was supposed to be a magical day. The Brazilian national soccer team, playing at home, was one game away from a World Cup final. No one could have guessed the tears would come before halftime. No one could have imagined there would be flags burning in the streets before dinner. Certainly no one could have envisioned that any Brazilian fans, watching their...