■ After de Gaulle: The place of foreign policy in General de Gaulle's years of power has been so significant that his departure from office in a strange act of political gambling ■ The great decoloniser: To look for a companion to de Gaulle in English-speaking Africa, you have to find a compound of Queen Victoria Winston Churchill ■ Cocoa After the Deluge: Delegates to the Cocoa Producers' Alliance, meeting in the territory of the Alliance’s most productive member state, were naturally promised visits to Ghana’s cocoa growing areas. ■ Books and publications: Nana of the River: Merchant Prince of the Niger Delta by Obaro Ikime ■ Commercial news: Shippers optimistic: Our Liverpool correspondent writes: Trade with West Africa in the first five months of this year will be 20 per cent up on the corresponding period of last year, the United Kingdom—West African Line joint service ■ Dateline Africa: Ghana: Politics decree: CPP leaders banned: A decree permitting the revival of political parties was published on April 28. ■ Dateline Africa: Nigeria: Biafra retake Owerri: Owerri, the important crossroads town captured from the Biafrans by Federal forces of the 3rd (Marine commando) division last September