IBADAN, Nigeria (AFP) — Cassava, the starch rusty-coloured root that is a staple in Nigeria, is a paradigm of the problem the import-dependent nation now faces as the plunge in oil prices crimps the economy. The root is used to make “eba” and “fufu” — filling pastes that are beloved dishes in Nigerian homes — but there are a myriad of uses for cassava, including making flour and beer. The problem — and opportunity — […]