Jovita Rosa in front of Brazil’s congress building in Brasília: ‘In Brazil it is not the lack of money that explains poor public services but corruption, and corruption flourishes because hidden business interests do not want public services to work.’ Photograph: Tom Hennigan

When Jovita Rosa approaches people while canvassing in Guará, a satellite city of nearby Brasília, most strike an inherently suspicious pose. Even her(...)

Brazilian presidential candidate Aécio Neves at a campaign rally in Rio de Janeiro. “If I win the elections it is going to be very good for Brazil . . . But if I don’t win, and this could happen, it is going to be very good for me from a personal point of view.” Photograph: Antonio Lacerda/EPA

Towards the end of a recent profile in Piauí­ magazine, Brazilian presidential candidate Aécio Neves told the monthly’s reporter: “If I win the ele(...)

Left behind: Caroline Dwyer and her daughter Aisling in room 457 of Hotel las Americas, in Santa Cruz. Photograph: Julien Behal/Phoenix Films

They wore summer dresses and sandals, and you could at first glance have mistaken them for a mother and daughter off on a girls’ holiday together. But(...)

 Michael Dwyer: two former officials have apologised to the family.

Caroline Dwyer has met with the two men who were with her son Michael on the night he was shot dead by Bolivian police in April 2009.Accompanied in Bo(...)

Brazilian president Dilma Rousseff: admitted in a televised debate that while “it might seem I am satisfied with things, I am not
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”. Photograph: Reuters/Paulo Whitaker

In 1980, Ronald Reagan famously asked Americans if they were better off after four years of Jimmy Carter in the White House. Most decided they were no(...)

Michael Dwyer: an elite police unit stormed the hotel  in which he was staying   on April 16th, 2009. Mr Dwyer and two others were shot dead in the raid. Photograph: PA Wire

The mother and sister of Michael Dwyer have made an “emotional but necessary” visit to the hotel room in Santa Cruz where the Irish man was shot dead(...)

Marina Silva, Brazilian presidential candidate and former senator, been able to articulate a vision of a more just society, one that has resonated widely. Photograph: Dado Galdieri/Bloomberg

Though young, energetic and telegenic Eduardo Campos had posed little threat to the re-election bid of Brazil’s president Dilma Rousseff. Once (...)

Argentina’s president Cristina Fernandez de Kirchner: denies the country re-entered default last month. Photograph: EPA/David Fernandez

Argentina’s government has unveiled a plan to get around a US court ruling and restart servicing debt on which it defaulted last month as the resul(...)

Argentina’s president Cristina Fernandez de Kirchner: accused printing group RR Donnelley  of collaborating with bondholders. Photograph: Jorge Adorno/Reuters

Argentina’s government is seeking to prosecute a US company under anti-terrorist legislation for shutting down its local operation in the latest twist(...)

The recent Mercosur summit in Caracas, Venezuela. Photograph: EPA

After being stalled for years, trade talks between the EU and the South American bloc Mercosur are showing signs of life, with a deal that could have (...)