RIO DE JANEIRO - It's like Carnival has come back, except this time with more yellow and green patriotic fervor. If you aren't much of a sports fan, or American, you might wonder how Brazil can fit in yet another month-long holiday. But it can, and it will, as long as Brazil is in this 2010 Copa do Mundo, the Fédération Internationale de Football Association (FIFA) World Cup.
The championship has happened every four years since the . . .