A parade to celebrate the Argentine World Cup champions was abruptly cut short Tuesday, as millions of people poured onto thoroughfares, highways and overpasses in a chaotic attempt to catch a glimpse of the national team that won one of the great World Cup finals of all time.
So many jubilant, flag-waving fans swarmed the capital that the players had to abandon the open-air bus transporting them to Buenos Aires and board helicopters for a…