Christian Science Monitor: Last month, Senegalese Energy Minister Samuel Sarr slipped off to a conference in Paris for an extraordinary announcement: His country is hoping to enrich uranium and build shimmering Homer Simpson-style cooling towers over a landscape where erratic power outages have long forced homes and businesses to rely on generators and candles. Senegal is hoping to do it by 2020. And the former French colony has company. Today, South Africa’s two nuclear power reactors stand alone on the …