By Gwynne Dyer (*) - From the Ceausescus in Romania (overthrown and shot 1989) to the Mugabes (removed in a non-violent military coup 2017), husband-and-wife teams running authoritarian regimes seem to have a particularly high casualty rate. And now it may be the turn of the Nicaraguan team: President Daniel Ortega and his wife, Vice-President Rosario Murillo.