July 29— MIAMI (Reuters) - A Cuban former deputy foreign minister and one-time aide to Defense Minister Raul Castro has defected to the United States, saying he did not want to be another laborer on President Fidel Castro's "farm." Alcibiades Hidalgo, 56, was quoted by El Nuevo Herald as saying he had been sidelined from senior positions in Cuba for years and was working at the state-run newspaper Trabajadores when he left last week.Joe Garcia, a leader of the Cuban American National Foundation, an exile group, on Monday confirmed Hidalgo's defection.Garcia said that whatever Hidalgo's past, which might arouse negative...