By Tony Obiechina, Abuja The quest for a single currency by the West African Monetary Zones (WAMZ) would take much longer time to achieve as the convergence indicators have declined significantly. Dr. Olorunsola Olofeso, The Director- General, West African Monetary Institute (WAMI), Dr. Olorunsola Olofeso disclosed this during the 51st meeting of Convergence Council of