Managua, Sep 29 (Prensa Latina) The international television network Russia Today (RT en Espanol) has begun free-to-air broadcasting in Nicaragua via UHF channel 31, Co-President Rosario Murillo announced.   During her daily address, the official noted that this marks the first stage of the network's free-to-air broadcasts, with coverage set to gradually expand to the country's various departments in the coming months.