R&B singer Akon is hyping his centrally planned community in Senegal, the country of his childhood, promising that every African American who invests with him will become a millionaire. In addition, he says if they collectively leave the U.S. for Africa, they could do real damage to the country that has oppressed them so much. The 50-year-old artist, whose real name is Aliaune Damala Badara Thiam, was born in St. Louis, Missouri, and spent much of his childhood in Senegal. Consequently, he is a big believer in Africa. “If you’re coming from America or Europe or elsewhere in the diaspora...