By Paulo Prada SAO PAULO (Reuters) – Despite opposition from nearly half of Brazil’s voters, leftist President Dilma Rousseff won re-election on Sunday and will have another four years to try to revive growth in a once-booming economy gone stagnant. The 66-year-old Rousseff, who was a Marxist guerrilla in her youth, overcame growing dissatisfaction with the economy, poor public services and corruption to narrowly clinch a second term for herself and the fourth in a row for her Workers’ Party. …