Four months earlier, the 41-year-old had abandoned his congressional seat in Brazil to move to the US in a bid to persuade the White House to help his father, Jair Bolsonaro — the nation’s former leader who is on trial for an alleged coup attempt. When Trump demanded that Brazil’s Supreme Court put a stop to the trial if the country wanted to avoid the tariffs, it seemed like the younger Bolsonaro had succeeded in his mission.