Brazil’s president Dilma Rousseff greets the secretary general of the Organisation of American States, Luis Almagro,   at her office in Brasilia on Tuesday, in what may prove to be one of her final engagements in office. Photograph: Evaristo Sa/AFP/Getty Images

Tom Hennigan in São Paulo Brazil’s senate is set to suspend President Dilma Rousseff from office on Wednesday after a last-ditch effort by her allie(...)

Brazilian president Dilma Rousseff:    battling to save  her presidency. Photograph:  Evaristo Saevaristo/AFP/Getty

After more than a year of twists and turns, in which both sides have accumulated a string of minor victories and defeats, Brazil’s impeachment crisis (...)