NEW YORK, July 6 : Brazil's World Cup wound is open again and, for Cafu, the cure will not be found only in tactics, systems or another forensic search for scapegoats. It may begin with something far simpler: letting children kick a ball without feeling the weight of a nation on their small shoulders.A day after Brazil's harrowing 2-1 loss to Norway in the last 16 at the New York/New Jersey stadium, where Erling Haaland scored twice to send the record five-times champions home, the captain of Brazil's 2002 World Cup-winning side said the country must trust coach Carlo Ancelotti with a proper four-year rebuild.Brazil's wait for a sixth title will now stretch to at least 28 years, longer than any barren run in their history. Cafu, who was part of the 1994 squad that ended a 24-year drought,