Brazil’s former president Luiz Inácio Lula da Silva could be set for a sensational comeback attempt after a supreme court judge annulled a series of criminal convictions against the leftist icon and restored his political rights. While Lula, a former shoeshine boy, previously played down speculation he would run for president again, experts believe he is almost certain to challenge Brazil’s incumbent president, Jair Bolsonaro, in the 2022 presidential election.