■ Commonwealth becalmed? In this week's Ottawa conference of Commonwealth heads of government going to look more like a seminar than political circus. ■ Africa meets Europe in Brussels: 1 ■ The politics of Air Afrique: 2 Air Afrique, the airline jointly established by a number of francophone African states has usually been held out as an example of practical commercial co-operation between African countries. ■ Is there a Cocoa famine?: 2 Last week our correspondent noted that there is a physical shortage of Cocoa to meet the current and future demands ■ Ghana: Ending educational elitism ■ Ghana's timber boom- Exports of timber and timber products from Ghana have shown a sharp increase in the last 18 months and exports of logs in 1972 were the highest in volume ever recorded. ■ Commercial news- Ships in West Africa's trade- Tonnages moving by sea to West Africa in 1971 increased by some 17 per cent compared with 1970. ■ Dateline Africa: Ghana- Romania promises aid Romania is prepared to supply Ghana with agricultural machinery