WHEN Mariana Ubisi went into labour in her one-room home in rural South Africa, millions of Black citizens were queuing to vote in the election that would bring Nelson Mandela to power. It was April 27, 1994. Swept up in the excitement, Ubisi and her husband named their newborn son Vote. "I imagine it was because we were hearing the chants saying 'vote, vote, vote' on the radio," said Ubisi, a traditional healer in Lillydale, a poor village in Mpumalanga province. As Mozambican refugees who fled war in their country in the 1960s, Mariana and her husband Ernesto did not…