The Oromo Federalist Congress, an opposition party in Ethiopia, represents the largest ethnic group in the country, the Oromo.
Yet its office in the capital Addis Ababa is virtually deserted, with chairs stacked up on tables. A chessboard with bottle caps as pieces is one of the few signs of human habitation. In a side office, the party's chairman, Merera Gudina, explains why the place is so empty: Almost everyone has gone to prison.