Survival International...says that...Bushmen are being evicted from their homes in Botswana to make way for diamond mines.."It is so frustrating as we are trying to prove a negative," says Rory More O'Ferrall, the director of external affairs at De Beers. "We are simply not involved in the relocation of the Bushmen and we have had assurances from the government of Botswana that it has absolutely nothing to do with prospecting for or mining diamonds in the Kalahari."