The U.S. appears poised to announce criminal charges against 94-year-old former Cuban president Raul Castro, pictured during a May Day parade in Havana last year. (Ramon Espinosa/The Associated Press)   As the U.S. appears poised to announce criminal charges against 94-year-old former Cuban president Raul Castro, analysts say it’s likely a symbolic move designed to increase psychological pressure on the small island nation. They don’t rule out, however, that it could be a pretext for violence. Reuters and The Associated Press reported last week that U.S. Justice Department officials saidRead more