Latin America: Brazilians are rightly angry over allegations of illegal campaign donations from Fidel Castro. True or not, they coincide with an alarming weakness in foreign policy that benefits the Cuban dictator. Was there a connection? We wonder for two reasons. First, Castro in recent years has aggressively sought influence across Latin America on a scale not seen since the 1960s. Second, Brazil has been oddly passive in response. Fortified by the record-high oil earnings of his Venezuelan ally, Castro's had a free hand to whip up anti-capitalism and anti-Americanism in a bid to confront the West. Brazil is no...