With less than three months to go until Brazil’s presidential election, China is closely watching a high-stakes political duel between a Beijing-friendly incumbent and his pro-Washington challenger. Brazilian President Luiz Inacio Lula da Silva, who maintains close ties with Beijing, is seeking a fourth non-consecutive term. His rival, Senator Flavio Bolsonaro – son of former president Jair Bolsonaro, who was jailed last year for attempting a military coup – was confirmed on Saturday as the...