The popular former president made the career of the current one, but a stubborn protest movement fed by economic discontent has many looking to recent history for a unifying figure.Americas,Angela Merkel,Brazil,Brazilian presidential election,Dilma Rousseff,Europe,FIFA,FIFA World Cup,Government,Inauguration of Dilma Rousseff,Luiz Inacio Lula da Silva,president,Presidents of Brazil,public services,United States,Workers' Party,Matt Taylor