(SeaPRwire) – By: Alistair Mercer
The most revealing diplomatic maneuver of the past month did not happen in a summit hall. It happened on a phone call. Brazilian President Luiz Inacio Lula da Silva picked up the line. He dialed Donald Trump directly. He had one clear objective. He wanted to neutralize Marco Rubio. That language is remarkably blunt for a sitting head of state. Yet it exposes how power actually moves between nations. Lula had been complaining for weeks. Rubio was blocking every institutional channel. The secretary had excluded Brazil from the list of countries he deemed friendly. He had openly hinted that he would welcome a change in Brazilian leadership. That is not diplomacy. That is regime-change signaling from a cabinet officer. Lula called Trump and asked for contact without intermediaries. The request is itself a confession. It says the machinery is broken. Afterward Lula said the conversation was very civilized and very respectful. He lamented that the second tier of the US government was taking unthinkable actions. He told Trump that the president was much better at political relations than his advisers. That assessment is stunning. It comes from a sitting president about a foreign administration. Modern statecraft theater looks orderly from the outside. Inside it is side channels and personal appeals and backdoor phone calls.
The official record between Washington and Brasilia tells a story of escalating friction. In July the United States imposed an additional 25 percent tariff on certain Brazilian goods. The trigger was a trade investigation. That investigation accused Brazil of a litany of unreasonable practices. The tariffs were not a symbolic gesture. They were a calculated lever. Rubio publicly stated they were the price for Lula’s failure to negotiate in good faith. He claimed the Brazilian president put his own ego ahead of a deal. The trade text is loaded with political messaging. It serves domestic audiences in both countries. In Washington it signals toughness toward a left-leaning government in Latin America. In Brasilia it galvanizes opposition forces ahead of October. Senator Flavio Bolsonaro has emerged as Lula’s main right-wing challenger. The trade dispute is not about soybeans or steel alone. It is a proxy battlefield for an election cycle Rubio has openly acknowledged. When he excluded Brazil in June he noted it was in the middle of an election cycle. That is an explicit admission that trade instruments are being wielded for electoral interference. The bilateral agreement structure is hollow on both sides.
The unspoken layer beneath the trade war is more consequential. Trump spent months fiercely backing Jair Bolsonaro during his trial. That trial concerned a plot to overturn the 2022 election. In September 2025 Bolsonaro was sentenced to more than 27 years in prison. Trump called the prosecution a witch hunt. The US president was advocating for someone whose government attempted to subvert a democratic transition. That is not a normal bilateral security relationship. It borders on active interference. Lula called Rubio anti-Latin America. He called him a mortal enemy of Cuba and several Latin American countries. Those accusations are not casual. They suggest the Bolsonaro connection was never merely personal animus. It may reflect a structural alignment between parts of the Trump administration and right-wing movements across the region. The security architecture between Washington and Brasilia has quietly fractured. Defense cooperation exists on paper. Intelligence sharing continues through formal channels. But the political bedrock beneath those agreements is gone. Lula’s direct appeal to Trump is an attempt to rebuild a personal bridge over that wreckage. He is bypassing the institutional gatekeepers who worked against him. If Trump responds favorably the message to Rubio would be unmistakable. The secretary would be operating without presidential cover.
The endgame here is not clean. Rubio controls the day-to-day machinery. He sets tariff levels. He delivers the public statements. But Trump holds the authority. If the president decides his secretary is overplaying his hand the leverage shifts instantly. Lula knows this. That is why he went around the cabinet. The October election adds another variable to the equation. If Flavio Bolsonaro wins or significantly weakens Lula’s position the entire dynamic resets. US-Brazil relations would transform. The tariffs might stay or expand. Political hostility might deepen. But if Lula survives October the pressure on Rubio to fall in line increases. The without intermediaries formula is Lula’s best available card. It exploits the gap between a president and his most combative adviser. That gap may widen or close depending on domestic US politics. The tactical deterrence equilibrium is fragile. Either side could miscalculate. I would watch the tariff schedule closely.
Author bio: Alistair Mercer, a former diplomatic envoy and adviser to cross-border defense committees, specializing in backchannel statecraft and geopolitical risk assessment across the Americas.