Page 32 - Looking ahead to 1970 Russell Warren Howe, a correspondent in Africa, sees grounds for cautious optimism in some areas of the continent, and just as many for anxiety. More troubles can be expected, he says, in Ethiopia, the Sudan and Zanzibar and 3 political challenges in the Congo, Senegal, CongoBrazzaville and Guinea. But Howe thinks there is a more than 50-50 chance of peace between Nigeria and Biafra. What is ahead for the dark continent?