Brazil’s Lula launches historic fourth term bid – but son of jailed Bolsonaro stands in his way

President, 80, vows to keep far-right from power as Flávio Bolsonaro tells supporters he will ‘fight this system’Brazil’s leftwing president, Luiz Inácio Lula da Silva, has launched his campaign for a historic fourth term and vowed that as long as he lived he would not allow the “shameless…