PoliticsWhat explains Flávio Bolsonaro’s strong showing in Brazil?

Brazil’s presidential election is headed to a runoff after right-wing candidate Flávio Bolsonaro, son of jailed former president Jair Bolsonaro, won the first round. He received just over 56 million votes against President Lula da Silva’s 53.7 million, defying most polls. Octavio Ferraz of King’s College London explains.