A college professor and his wife, a college administrator, have been charged with being longtime illegal agents of Cuban President Fidel Castro, according to documents filed Monday. Carlos Alvarez, a psychology professor at Florida International University, and his wife, Elsa Alvarez, were charged with acting as agents of Cuba without registering with the U.S. government as required, said the documents filed in U.S. District Court. The two were scheduled to make an initial court appearance Monday before U.S. Magistrate Judge Andrea Simonton, according to the documents. An indictment further describing the charges was expected to be unsealed after that appearance,...