NEW : `` My mission is to eradicate poverty , '' he said. Dilma Rousseff wins against Jose Serra in a runoff . Rousseff -- President Luiz Inacio da Silva 's right-hand woman -- has served as his chief of staff . She 's a a former left-wing guerrilla fighter turned chief of staff .
NEW : `` My mission is to eradicate poverty , '' he said. Dilma Rousseff wins against Jose Serra in a runoff . She 's a a former left-wing guerrilla fighter turned chief of staff .