SAO PAULO — The World Cup held potential disaster for Brazil – the country, not the team. Yet the country pulled off a magnificent tournament, albeit with a few bumps. It’s the team that has left many Brazilians wondering what went horribly wrong. The cup was widely seen as theirs for the taking, especially on home turf. They leave the Cup in fourth place with their star badly injured and the brutal memory of a 7-1 rout by the Germans in front of a global audience. The most successful nation in World Cup history has been eliminated in three straight tournaments, enough to raise questions about whether it’s doing the right things to keep up with countries that have dominated the sport in recent years. It’s already clear Brazil won’t be the same after the home tournament. A change in coach is almost certain, and new players will be joining Neymar and Oscar for the 2018 World Cup in Russia. Critics say bigger changers are needed, including in the local football confederation. The resounding 7-1 loss to Germany, which embarrassed the nation, could become a turning point for the national team. The semifinal defeat has everyone thinking about the need…