Brazil will not be treated as a “tinpot country,” the country’s president, Luiz Inácio da Silva, said on Friday after the United States designated Brazil’s two largest criminal gangs, the First Capital Command (PCC) and the Red Command, as foreign terrorist organisations. The announcement, made by Marco Rubio, the secretary of state, on Thursday, is being widely seen in Brazil as a setback for Luiz Inácio Lula da Silva, the president who had strongly opposed the designation – and a boost for Lula’s main challenger in October’s presidential election, the far-right senator Flávio Bolsonaro. Chosen to run in place of his father, Jair Bolsonaro – the former president who is barred from running because he is in house arrest after being convicted of attempting a coup – Flávio spent this week in the US, where he met with Donald Trump and Rubio .…