Football fever is so intense in Brazil, the host of the World Cup soccer tournament, that even the main shipping ports in the commodity-exporting powerhouse are shutting down when the national team plays. In Paranagua, Brazil's No. 2 soy exporting port, the dock workers' union negotiated an ordinance that lets them stop working an hour before the match and resume work an hour afterward for a total of around four hours to relax and watch the Brazilian team. "This is unprecedented…