■ The wig and the sword:Independence of the judiciary, it is always claimed is the most important of the legacies which Britain has left to her colonies ■ Ghana's Cocoa buying problem: Attempts to reorganise Cocoa buying in Ghana beat similarities to Mark Twain's ■ The civilians and the soldiers: After the Ghana coup, upper volta is the only country left in Africa ■ Books and publications: In the yam zone: The yam zone yam festivals of West Africa by D. G. Coursey and Cecilia K. Coursey ■ Commercial news:Historic oil agreement: Signing an agreement granting an offshore oil concession to Henry Stephens and sons ■ Dateline Africa: Ghana: civilian advisors suspended- The military government has suspended it's nine- member National Advisory committee