RIO DE JANEIRO, Brazil – Venezuelan President Hugo Chavez said Friday that Fidel Castro is “battling for his life” and that he spoke with the ailing Cuban leader for nearly half an hour several days ago. Chavez, a close ally and admirer of Castro, compared the Cuban leader's attempt to recover from an unspecified medical condition to the 1950s, when Castro was a guerrilla in Cuba's eastern mountains fighting the government he would overthrow. Advertisement “Fidel is in the Sierra Maestra again, battling for his life,” Chavez said after attending a summit of South American leaders in Rio. Castro, 80,...