In the two years since it became an independent state, Ghana has moved farther and farther away from the democratic principles that its leaders presumably learned under British tutelage. Prime Minister Kwame Nkrumah's government has clamped 41 supporters of the opposition United Party in jail under Ghana's Preventive Detention Act. Last week the harassed United Party suffered a further jolt: its parliamentary leader, Oxford-educated Dr. Kofi Busia, 46, turned up in England and said he might not return to his homeland.
For weeks Nkrumah's government had been trying unsuccessfully to tie the quiet, scholarly Busia to an alleged plot to...