In itself, the fact that Brazil have preserved a 100 percent record since the World Cup does not tell us very much.
After all, their record going into the tournament could hardly have been much better -- nine straight wins, 30 goals scored and just 2 conceded -- but it did them little good when the real stuff started.
The seven consecutive victories under Dunga, then, need to be placed in context. The time for hard-and-fast judgements comes later.
But there is no doubt, however, that Brazil can take...