Angola is currently gripped by political campaigning ahead of parliamentary elections at the end of the month. The President's party, the MPLA, looks set to win. President Jose-Eduardo dos Santos has been in power for 32 years, making him Africa's second-longest standing leader. Anti-corruption campaigners accuse Dos Santos of having amassed a personal fortune from illicit diamonds and arms deals during Angola's civil war. RFI's Rosie Collyer spoke to one of Angola's most prominent anti-corruption activists, Raphael Marquez.