■ Secession or Security? If Biafra's session is successful the argument runs then not only the rest of Nigeria, but almost every tropical African country’, is in danger of fragmen tation. ■ Politics without Parties: From a Correspondent in Accra: There are several concurrent attractions to interstellar the visitor to Ghana’s capital at the moment ■ Houses for Africa's People: African countries spend over S600m a year on imported building materials nearly a third of their estimated annual investment in construction ■ Roundabout: Big names at reconstruction talks: What must surely be one of the greatest gatherings of experts and public personalities ever assembled in Nigeria, meets here later this month. ■ Biafra's Valuable Stamps: How does Biafra still manage to find foreign exchange, in spite of the virtual stoppage of exports from the area, and the impossibility of using Biafran currency abroad? ■ Books and publications: Educated natives: Gold coast men of affairs by Magnus J. Sampson ■ Commercial news: USA: From aid to trade? President Nixon's administration is planning to abandon America's aid programme in favour of a new scheme to stimulate private investment in developing countries ■ Dateline Africa: Ghana: Shooting at Ashanti mine: Two miners of Ashanti Goldfields were shot dead on March 3 when a crowd of 6000 tried to strom the police station at Obuasi